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Avery S. Hoyt

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Hoyt, Avery S.: Additional quantity limits for plants imported for propagation purposes (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1942), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions amending the restrictions of the Japanese beetle quarantine by lifting certification requirements on certain shipments of fruits and vegetables (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions modifying the restrictions of the gypsy moth and brown-tail moth quarantine by authorizing the issuance of limited permits for certain restricted articles (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions modifying the restrictions of the white-fringed beetle quarantine by authorizing alternative treatments by methyl bromide fumigation of plants in pots or in soil balls (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions modifying white-fringed beetle quarantine regulations authorizing treatment of potting soil (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions relating to pink bollworm quarantine : restoring the treatment requirements as to cotton linters, cottonseed hulls, cake, and meal, and extending the area in which baled cotton lint may be moved from certain lightly infested areas in New Mexico and Texas without treatment (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions : removal of white-fringed beetle certification requirements for a limited period, for potatoes and sweetpotatoes consigned from areas regulated under Quarantine No. 72 (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions : removal of white-fringed beetle certification requirements until February 1, 1940, for specified articles consigned from designated portions of the regulated areas (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions : removal of white-fringed beetle certification requirements until February 1, 1940, for specified articles consigned from designated portions of the regulated areas (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions : removal of white-fringed beetle certification requirements until February 1, 1941, for specified articles consigned from designated portions of the regulated areas (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions to inspectors on the treatment of nursery products, fruits, vegetables, and soil, for the Japanese beetle (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Administrative instructions to inspectors on the treatment of nursery products, fruits, vegetables, and soil, for the Japanese beetle (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Alabama (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Approval for alternative treatment for cottonseed as a condition for interstate movement from the area regulated under Quarantine no. 61 (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Arizona (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: California (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: California (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: California (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Certification requirements for fruits, vegetables, and cut flowers under Japanese beetle quarantine become effective for the season. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Colorado (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: District of Columbia (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Domestic quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Ethylene dibromide fumigation approved as a condition for certification of certain fruits and vegetables under Hawaiian fruit and vegetable Quarantine no. 13. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Florida (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Foreign quarantine notices (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Fumigation of potatoes by methyl bromide as a condition of certification of potatoes moving by refrigerator car (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Fumigation of tomatoes by methyl bromide as a condition of certification of tomatoes moving by refrigerator car (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Georgia (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Georgia (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Gypsy moth and brown-tail moth quarantine no. 45 (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Gypsy moth and brown-tail moth quarantine regulations modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1944), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Gypsy moth and brown-tail moth quarantine regulations modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1942), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Hawaii (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Idaho (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Illinois (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Importation of citrus propagating material prohibited (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Indiana (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Iowa (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Japanese beetle administrative instructions modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Japanese beetle administrative instructions modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1942), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Japanese beetle administrative instructions modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Japanese beetle quarantine regulations modified. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Kansas (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: List of approved packing materials and instructions for their use (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: List of articles exempt from certification requirements under the Japanese beetle quarantine (Quarantine No. 48). (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Maine (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Maryland (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Method used for the disinfection of imported broomcorn and broomcorn brooms. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Methyl bromide fumigation approved as a condition for certification of pineapples under Hawaiian fruit and vegetable Quarantine no. 13. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Mexican fruitfly regulations modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Mexican fruitfly regulations revised : sterilization of grapefruit required. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Mexican fruitfly regulations revised : sterilization of grapefruit required (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1944), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Michigan (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Minnesota (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Mississippi (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Mississippi (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Missouri (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Modifying the Japanese beetle quarantine regulations as to shipments of fruits and vegetables from certain areas in Virginia (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Modifying the restrictions of the white-fringed beetle quarantine by authorizing treatment by methyl bromide solution of balled nursery stock of specified thickness (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Modifying the restrictions of the white-fringed beetle quarantine by authorizing treatment by methyl bromide solution of balled nursery stock of specified thickness (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Montana (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Nebraska (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Nevada (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: New York (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: North Carolina (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: North Dakota (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Nursery stock, plant, and seed quarantine : list of approved packing materials and instructions for their use (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Ohio (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Oklahoma (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Pennsylvania (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions: British India. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of Algeria. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of British India. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of Central America : British Honduras. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of India. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of India. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of India. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of India. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of India : regulations concerning the importation of American and West Indies cotton. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of Indonesia. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of Japan. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of Japan. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of New Zealand. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of New Zealand. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of New Zealand : importation of soil prohibited. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of Newfoundland. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the British colony and protectorate of Sierra Leone. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Bermuda. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Bermuda. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Bermuda. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1947), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Bermuda. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Bermuda. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British colony of Ceylon. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the British colony of Trinidad and Tobago. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the British colony of Trinidad and Tobago. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the British Gold Coast colony. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British Gold Coast colony. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British Gold Coast colony : articles prohibited or restricted in the mails. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the British mandate of Palestine. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Cape Verde Islands (Portuguese). (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Colony of British Honduras. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Colony of British Honduras. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1947), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the colony of Gambia. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the colony of Mauritius. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Commonwealth of Australia. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Commonwealth of Australia. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Dominican Republic. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Dominican Republic : importation of coniferous plants. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Dominion of Canada. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Dominion of Canada. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Dominion of Canada. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Federal Republic of Germany. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the French zone of Morocco. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the French zone of Morocco. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the French zone of Morocco. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Egypt. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Egypt. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Italy. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Norway. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Romania (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Kingdom of Sweden. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Netherlands East Indies. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Netherlands : importation of woody plants restricted (San Jose scale regulations). (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Nyasaland Protectorate. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Philippine Islands. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Argentina. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Argentina. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1942), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Bolivia. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Brazil. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Brazil. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1938), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Brazil. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1943), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Brazil. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1945), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Chile. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Colombia. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Cuba : restrictions governing the importation of seed potatoes. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of El Salvador. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Finland. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of France. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of France. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of France. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of France. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of France. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Germany. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Germany : restrictions on the entry of plant material in the mails. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Ireland. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Israel. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Lebanon. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Mexico. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1936), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Mexico. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Nicaragua. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Paraguay. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Peru. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Peru. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Peru. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Switzerland. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of the Philippines. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Republic of Venezuela. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Venezuela. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Republic of Venezuela. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the Ryukyu Islands. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Union of South Africa. (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Union of South Africa. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1944), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the Union of Soviet Socialist Republics. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the United Kingdom of Great Britain. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions of the United Kingdom of Great Britain. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the United Kingdom of Great Britain. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the United Kingdom of Great Britain. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions of the United Kingdom of Great Britain : restrictions on importation of raw cherries into Scotland. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions : Republic of Mexico. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions : Republic of Mexico. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1943), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions : Union of South Africa. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1947), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant-quarantine import restrictions, Union of South Africa. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Plant quarantine import restrictions, Union of South Africa : revision of regulations concerning citrus fruits, etc. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Present status of circulars of this (B.E.P.Q.) series. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Present status of the circulars of this (BEPQ) series. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1937), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Puerto Rico (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Requirements under Mexican fruit fly regulations modified-- sterilization of grapefruit required. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Restrictions of Japanese beetle quarantine on cut flowers, fruits, and vegetables discontinued for the season. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1947), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Restrictions of Japanese beetle quarantine on cut flowers, fruits, and vegetables discontinued for the season. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1948), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Restrictions of Japanese beetle quarantine on fruits, vegetables, and cut flowers become effective for the season. (United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Rhode Island (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: South Carolina (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: South Carolina (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Stone fruit trees from United States, each state regarded as a country (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Suggestions for construction of plunging and growing beds and their maintenance under beetle-free conditions in accordance with regulations of the white-fringed beetle quarantine. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1939), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Summary of Puerto Rico plant shipping requirements. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1953), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Summary of state nursery-stock shipping requirements and plant quarantines and regulations affecting interstate shipments : Virginia. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Summary of state nursery-stock shipping requirements and plant quarantines and regulations affecting interstate shipments : Wisconsin. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Summary of state nursery-stock shipping requirements and plant quarantines and regulations affecting interstate shipments : Florida. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Tennessee (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Texas (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Title 7--Agriculture, Chapter III--Bureau of Entomology and Plant Quarantine (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Title 7--Agriculture, Chapter III--Bureau of Entomology and Plant Quarantine (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Utah (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Vapor-heat treatment approved for certification of certain fruit and vegetables under Hawaiian fruit and vegetable quarantine no. 13. (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Vermont (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1952), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: Washington (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1949), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: West Virginia (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
Hoyt, Avery S.: White-fringed beetle regulations modified (United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)

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