Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 23 Document Number: B02421
Notes:
Harold Swanson Collection. Eugene A. Kroupa Collection., Thesis, master of science in agricultural journalism, University of Wisconsin, Madison, WI. 123 pages/
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 15 Document Number: B01883
Notes:
#1253, Harold Swanson Collection, Washington, D.C.: Cooperative Extension Service, U.S. Department of Agriculture, 1952. 24 p. (Agriculture Handbook 42)