USA: Federal Extension Service, U.S. Department of Agriculture, Washington, D.C.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08923
Notes:
Page 11 in Lucinda Crile, Review of Extension Studies - January to June 1949, Extension Service Circular 460, U.S. Department of Agriculture, Washington, D.C. July 1948. Digest of author's master's thesis, Iowa State University, Ames. Published by the Extension Service, North Carolina Agriculture College, Raleigh. 1948. 2 pages.