Blackleg : its nature, cause, and prevention
- Source:
- Circular (United States. Bureau of Animal Industry) ; no. 31 Rev 1912
- Year:
- 1912
- Subject:
- Blackleg in cattle
- Format:
- 22 p. : ill. ; 23 cm.
- Publisher:
- U.S. Dept. of Agriculture, Bureau of Animal Industry
- Collection:
- Organic Roots Collection