A study of the use which project leaders are making of the subject-matter circulars and plans for demonstration and discussion supplied to them for teaching purposes
Page 6 in Lucinda Crile, Findings from studies of bulletins, news stories, and circular letters. Extension Service Circular 488. Revision of Extension Service Circular 461, which it supersedes. May 1953. 24 pages. Brief description of the author's M.S. thesis, University of Wisconsin, Madison. 1939. 36 pages.