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Stati Uniti d'America - Department of agriculture An aerial observer's guide to recognizing and reporting Southern Pine Beetle Spots / by Ronald F. Billings and Coleman Doggett Washington, D.C. - USDA, 1980 Testo Monografico Stati Uniti d'America - Department of agriculture After a hundred years / The United States Department of agriculture Washington D.C. - The United States Government printing office, (196..) Incluso in > Yearbook of agriculture / United States Department of agriculture Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics 1949 / United States. Department of agriculture Washington - United States government printing office, 1949 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics 1950 / United States. Department of agriculture Washington - United States government printing office, 1950 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics 1951 / United States. Department of agriculture Washington - United States government printing office, 1951 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics 1952 / United States. Department of agriculture Washington - United States government printing office, 1952 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics 1953 / United States. Department of agriculture Washington - United States goverment printing office, 1953 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics, 1956-1957 Washington - Government Printing Office, 1957-1958 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural statistics, 1963 / United States. Department of agriculture Washington - United States Government printing office, 1963 Testo Monografico Stati Uniti d'America - Department of agriculture Agricultural-food policy review - U.S. agricultural policies in a changing world (Luogo di pubblicazione non indicato ) - United States Department of Agriculture, 1989 Testo Monografico Stati Uniti d'America - Department of agriculture Agriculture information bulletin Washington - United States Department of agriculture Pubblicazione Periodica Stati Uniti d'America - Department of agriculture Bread - Facts for consumer education Washington - Government Printing Office, 1955 Incluso in > Agriculture information bulletin Testo Monografico Stati Uniti d'America - Department of agriculture Bread facts for consumer education / United States Department of Agriculture Washington - United States Department of Agriculture, 1956 Testo Monografico Stati Uniti d'America - Department of agriculture Bulletin / United States. Department of agriculture Washington - United States. Department of agriculture Pubblicazione Periodica Stati Uniti d'America - Department of agriculture Competitive position of United States farm products abroad Washington - United States Department of Agriculture Pubblicazione Periodica