Effective extension circular letters
Subtitle: how to prepare and use them
By: by H.W. Gilbertson.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 403; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 403.
Publisher: U.S. Dept. of Agriculture
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 43
Subjects: Circular letters.; Agricultural extension work.
Notes: Cover title.

"January 1941."