USA: Extension Service, U.S. Department of Agriculture, Washington, D.C.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08964
Notes:
Page 24 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. Summary of Agriculture Technical Bulletin 106, contribution from Extension Service, U.S. Department of Agriculture, Washington. 1929. 48 pages.
USA: Extension Service, U.S. Department of Agriculture, Washington, D.C.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: D08952
Notes:
Page 9 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 from pages 38-39, Annual Report, State Home Demonstration Leader, Nebraska Agriculture College Extension, Lincoln. exhibits L3 and L4. 1939.
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