Ten years of agronomy extension, 1915-1924
By: by O.S. Fisher
Series: Circular / United States Department of Agriculture -- no. 22; Circular (United States. Dept. of Agriculture) -- no. 22.
Publisher: U.S. Dept. of Agriculture
Published: 1928
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: Agricultural extension work
Notes: Caption title.