Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 45 Document Number: B05429
Notes:
Theodore Hutchcroft Collection, Turrialba, Costa Rica: Scientific Service of the Inter-American Institute of Agricultural Sciences of the OAS, 1958. 23 p.
Hal R. Taylor Collection, Reprint from Federal Extension Service, U.S. Department of Agriculture. 2 pages., Audience response to two ads run in Parents' Magazine offering a free booklet.
