The Clyde O. Ruggles Papers consists mostly of notes Ruggles prepared for economics classes he taught at Ohio State University, an accounts book, and a lecture notebook he used as a student.

The Herbert S. Parnes Correspondence contains correspondence relating chiefly to Professor Parnes' research conducted under the auspices of the OSU Center for Human Resources and pertaining to studies of the labor force and the use of longitudinal surveys.

The Mikhail V. Condoide Papers contain biographical information, personal papers, course materials, publications, correspondence, clippings and dissertations.

The Paul G. Craig Papers contain correspondence, articles, and speeches.

The Robert Dean Patton Papers contain essays and articles that are mostly unpublished.

Wilford L. L'Esperance Papers contain reports written for Midwest Econometrics, personal and professional correspondence, and press clippings.