Market classes and grades of swine
By: by Don J. Slater
Series: Circular / United States Department of Agriculture -- no. 569; Circular (United States. Dept. of Agriculture) -- no. 569.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 36
Subjects: Swine; Grading
Notes: Caption title.