The Geoffrey Keller Writings on Space Exploration contain writings on space exploration.

The John D. Kraus Papers contain publications by Kraus and an oral history interview transcript and audiocassettes, conducted by Robert Wagner.

The Ohio State University, College of Mathematical and Physical Sciences, Office of the Dean Records contains meeting agendas, reports, committee notes, curricula materials, correspondence, publications, and promotion and tenure files. Much of the material relates to individual departments within the college, including physics, geology and mineralogy, chemistry, astronomy, geodetic science, and mathematics. The collection materials date from 1946 to 2009.

The Ohio State University, Perkins Observatory Records contain an inventory of the contents of the Perkins Observatory library and publications from the observatory; materials date from 1935 to 1997.

The Philip C. Keenan Papers contain correspondence and subject files on spectral classification and MIRA variables.