The Ohio State University, Mathematical Research Institute Preprints contains drafts of scientific papers that have not yet been published in a peer-reviewed scientific journal. The materials are dated 1990-2008.

The Harold Pascoe Fawcett Papers contain correspondence, materials related to the Mershon Committee on National Security, published materials, materials on mathematics education methods, the history of math, the history of pi, and the nature of proof, teaching materials, materials from university committees, and materials from the Ohio Council of Teachers of Mathematics.

The Tibor Rado Papers contain correspondence, manuscripts, mathematical problems, reviews and references, research, and seminar notes.