A Guide to the Historical Collections of Michigan State University, William H. Combs, director, and Anthony Zito, compiler (East Lansing, 1969), and A Guide to the Michigan State University Archives and Historical Collections, edited by Frederick L. Honhart, Suzann M. Pyzik, and Saralee R. Howard (East Lansing, 1976). There are also unpublished finding aids for each of the collections listed.