Poultry grading manual /
[prepared by O. F. Johndrew, Jr., W. E. Hauver, Jr., and L. Kilpatrick].
- Rev. May 1959.
- Washington, D.C. : U.S. Dept. of Agriculture, Agricultural Marketing Service, Poultry Division, 1959.
- 37 p. : ill., forms ; 26 cm.
- Agriculture handbook / United States Department of Agriculture ; no. 31 .
- Agriculture handbook (United States. Department of Agriculture) ; no. 31. .