Overview Correspondence and reports documenting the history and administration of the Department of Entomology and Entomology Experiment Station work.

Overview Articles, artifacts, audio cassette, historical documents, instruction system design handbooks, manuals, papers, photographs, publications, teaching aids and devices, and teaching methods handbooks, which document the pioneering audio tutorial system of instruction of Professor Samuel N. Postlethwait during the 1960s and early 1970s.