Agricultural extension as affected by recent economic trends
By: C.W. Warburton
Contributors: United States. Office of Cooperative Extension Work
Series: Extension Service circular -- 140
Publisher: U.S. Dept. of Agriculture, Extension Service, Office of Cooperative Extension Work
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: Agricultural extension work
Notes: Cover title.

"December, 1930."