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Online Books by

E. J. Newcomer

(Newcomer, E. J. (Erval Jackson), 1890-)

Books from the extended shelves:

• Newcomer, E. J. (Erval Jackson), 1890-: Controlling important fungous and insect enemies of the pear in the humid sections of the Pacific Northwest (U.S. Dept. of Agriculture, 1919), also by D. F. Fisher (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Experimental methods in making orchard tests for codling moth control in the west (U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1943), also by C. C. Cassil, Fred P. Dean, and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Experiments with insecticides for codling-moth control (U.S. Dept. of Agriculture, 1932), also by M. A. Yothers (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Insect pests of deciduous fruits in the West (Agricultural Research Service, U.S. Dept. of Agriculture, 1966) (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Life history of the codling moth in the Yakima Valley of Washington (U.S. Dept. of Agriculture, 1924), also by W. D. Whitcomb (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Lubricating-oil sprays for use on dormant fruit trees (U.S. Dept. of Agriculture, 1931), also by A. L. Quaintance and B. A. Porter (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Orchard insects of the Pacific Northwest and their control (U.S. Dept. of Agriculture, 1933) (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Orchard insects of the Pacific Northwest and their control (U.S. Dept. of Agriculture, 1941) (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: The pear leaf-worm (U.S. Dept. of Agriculture, 1916), also by R. L. Nougaret and W. M. Davidson (page images at HathiTrust)
• Newcomer, E. J. (Erval Jackson), 1890-: Steam treatment of orchard boxes to destroy codling moth larvae (U.S. Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1941), also by Fred P. Dean and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)

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