The Raymond Carroll Osburn Papers contain correspondence, budget reports, a diary, photographs, notes, publications, and notebooks. Most of the material deals with Osburn's career in the Department of Zoology and Entomology, fishery laboratories, and fish research in Ohio.

The Paul Colinvaux Lecture Recording contains an audio recording on compact disc, dated circa 2000s, of "A Concluding Lecture" given by Dr. Paul Colinvaux at Hitchcock Auditorium on June 4, 1970.

The Ohio Cooperative Wildlife Research Unit Publications date from 1936 to 1996, and consist of publications such as annual and quarterly reports, and news releases.

The Milton B. Trautman Papers contain correspondence, publications, manuscripts, field notes, research materials, photographs, diaries, and inventories of birds and animals, dated 1882-1997.

The John C. Lotze Papers contain items from Lotze's professional career, such as correspondence and clippings.

The Charles Arthur Dambach Papers contain correspondence, research and lecture notes, research data and censuses, field notes, clippings, and articles. Topics of materials include zoology, wildlife conservation, bird breeding, and woodland grazing.