Activities handbook United States. Agricultural Research Service. Animal Disease Eradication Division. creator text book Washington Agricultural Research Service, U. S. Dept. of Agriculture 1961 1961
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ENG United States Veterinary medicine SF623 .A5 1961b https://www.biodiversitylibrary.org/bibliography/21365 agr62000004 10.5962/bhl.title.21365 DLC