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Our present knowledge of the distribution and importance of some parasitic diseases of sheep and cattle in the United States
- Hall, Maurice C., United States Bureau of Animal Industry, and United States Department of Agriculture
- Circular (United States. Bureau of Animal Industry) ; no. 193 1912
- Sheep -- Parasites -- United States, Cattle -- Parasites -- United States, and Food animals -- Diseases -- United States
- ii, 44 pages : illustrations, maps, plates ; 24 cm.
- U.S. Dept. of Agriculture, Bureau of Animal Industry
- Organic Roots Collection