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.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C37040
Notes:
Pages 273-291 in Bill Vitek and Wes Jackson (eds.), The virtues of ignorance: complexity, sustainability and the limits of knowledge. University Press of Kentucky, Lexington. 354 pages.
Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C37041
Notes:
Pages 293-306 in Bill Vitek and Wes Jackson (eds.), The virtues of ignorance: complexity, sustainability and the limits of knowledge. University Press of Kentucky, Lexington. 354 pages.
