The Earle Hotchin papers consist of a scrapbook containing athletic schedules, ribbons, menus, postcards, photographs of Constantine, Michigan and student life at Michigan Agricultural College,and programs from the Military Hop, Eunomian Literary Society parties, the M.A.C. Carnival, and other activities.

Walter A. Knickerbocker's papers consist of one scrapbook (1913-1916) containing programs and tickets from campus activities; receipts; report cards; newsclippings; photographs of family, friends, and Michigan Agricultural College; and postcards from various Michigan cities such as Flint, Pontiac, Mt. Pleasant, Alma, St. Charles, and Port Huron as well as El Paso, Texas, and Mexico. Also included are programs, receipts and miscellaneous memorabilia from M.A.C.