Lessons on pork production for elementary rural schools
By: by E.A. Miller
Series: Bulletin / United States Department of Agriculture -- no. 646; Bulletin of the U.S. Department of Agriculture -- no. 646.
Publisher: U.S. Dept. of Agriculture
Published: 1918
Place of publication: Washington, D.C
Language: eng
Number of pages: 26
Subjects: Swine; Agricultural education
Notes: Caption title.

"April 8, 1918."

"Professional paper."