USA: Federal Extension Service, U.S. Department of Agriculture, Washington, D.C.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08927
Notes:
Page 6 in Lucinda Crile, Review of Extension Studies - January to June 1948, Extension Service Circular 454, U.S. Department of Agriculture, Washington, D.C. July 1949. Summary of findings from the author's bachelor's thesis, Purdue University. Published by Agricultural Extension, Purdue University, West Lafayette, Indiana. 1948. 14 pages.
