USA: Human Engineering Division, Special Devices Center, Port Washington, New York.
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 193 Document Number: D07233
Notes:
Hal R. Taylor Collection. He used this as a resource in preparing materials for the Communication Training Program of the National Project in Agricultural Communications (NPAC), Michigan State University, East Lansing., SpecDevCen 494-08-1 103 pages
