The Bradley Chapin Papers contain personal and professional papers, including correspondence, financial records, class and Department of History notes, history research, and publications.

The Francis Phelps Weisenburger Papers contain research notes, writings, certificates, scrapbooks, correspondence concerning students, publications, and the Mississippi Valley Historical Association.

The Richard Clark Knopf Papers contain publications Knopf wrote while a member of the Anthony Wayne Parkway Board and concerning Anthony Wayne and the Ohio Frontier.

The Von Hardesty Papers contain materials that Hardesty collected as a graduate student representative to the Faculty Council during and just after the student demonstrations in the Spring of 1970. Also included are materials from the Department of History, where Hardesty did his graduate studies. The materials date from 1965 to 1970.

The June Z. Fullmer Papers contain correspondence, publications, book reviews, conference and seminar materials, writings and research materials on the history of science and scientific biography. The collection also contains extensive research files of June Fullmer's research on Sir Humphry Davy, including photocopies of documents produced by Davy.

The Merton Dillon Papers contain correspondence with colleagues and former students, and materials on the promotion and tenure process in the Department of History at Ohio State University.

The Robert H. Bremner Papers contain correspondence, records on Sub Committee on Youth and its Acculturation into Society, minutes and correspondence of the Research Committee of the Independent Sector, profession presentations, grant materials, clippings, copies of The History of the American Natural Red Cross, Vol. XIII, Change and Continuity in Recent American Concepts of Poverty, and The Plow and the River: A Document on the Images of the Great Depression, Child in the Family, photographic prints used by Bremner in his book on children and farm life, and student recommendations.

The Harry Lewis Coles Papers contain correspondence, publications, curriculum and committee notes, grade books, manuscripts, student papers, book reviews and collected professional papers related to Coles' position in the Department of History at Ohio State University.

The Helen Peterson Class Notes and Term Papers contain Peterson's class notes and term papers she wrote as a student in history and political science.