Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 23 Document Number: B02409
Notes:
#946, Harold Swanson Collection. Review of Extension Research 1946/47-1956, Extension Service Circular 506, U.S. Department of Agriculture, Washington, D.C., University Park, PA : The Pennsylvania State University, Agricultural Extension Service, [19-]. 16 p.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 30 Document Number: B02984
Notes:
#950, Harold Swanson Collection. Review of Extension Research 1946/47-1956, Extension Service Circular 506, U.S. Department of Agriculture, Washington, D.C., Washington, D.C. : U.S. Department of Agriculture, Cooperative Extension Work in Agriculture and Home Economics, 1948. 12 p. (Extension Service Circular No. 453). Extension Circular 453
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.
