Books by Leo R. Gray:
Books in the extended shelves:
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Gray, Leo R. (Leo Roger), 1924-: Caustic dry peeling of cling peaches to reduce water pollution : its economic feasibility (Economic Research Service, U.S. Dept. of Agriculture, 1972), also by Marcus R Hart (page images at HathiTrust)- Gray, Leo R. (Leo Roger), 1924-: Drive-in dairies in central California : development, organization, and operation (U.S. Dept. of Agriculture, Economic Research Service, Marketing Economics Division, 1963), also by Jack E. Klein (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: The economic feasibility of the West African Regional Poultry Project (Economic Research Service, 1973), also by Norman G. Paulhus (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Effects of price specials on volume of sales of frying chickens (Marketing Economics Division, Economic Research Service, 1964) (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Marketing costs and price spreads for eggs, frying chickens, and turkeys sold in San Francisco (U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Research Division, 1959) (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Pen and stanchion barns : daily chore-time comparisons (University of Massachusetts, College of Agriculture, 1955), also by Elmar Jarvesoo and Roy E. Moser (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Price spreads, costs, and marketing channels for eggs and poultry sold in Trenton, N.J. (U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Economics Research Division, 1960) (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Prices and price spread for beef, eggs, and fluid milk in selected markets of the United States and Europe (U.S. Dept. of Agriculture, Economic Research Service, Marketing Economics Division, 1961), also by Victor B. Phillips and D. D. MacPherson (page images at HathiTrust)
- Gray, Leo R. (Leo Roger), 1924-: Utilization and disposal of poultry byproducts and wastes (U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Research Division, 1956), also by Humbert Scott Kahle and United States. Agricultural Marketing Service. Marketing Research Division (page images at HathiTrust)
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