Circular letters
Subtitle: an analysis of their use by extension workers
By: Iva M. Sinn
Series: Extension Service circular -- 151; Extension Service circular -- 151.
Publisher: U.S. Dept. of Agriculture, Extension Service?]
Published: 1931
Place of publication: [Washington, D.C.?
Language: eng
Number of pages: 17
Subjects: Circular letters; Agriculture; Periodicals; Agricultural extension work; Home economics extension work
Notes: "February 1931."