The Alton Wheaton papers contain primarily financial records and other forms of inventory that Wheaton took while working on his farm. There is also a small section on some of Wheaton’s community activities, some photographs of said activities, and two books on the Wheaton family genealogy. There are also a number of folders containing deeds and titles to various pieces of land Wheaton owned. There are also catalogs, plans, newsletters and brochures on farm topics.

The collection contains trip reports, correspondence, slides, maps and travel booklets related to Schlubatis' time spent working as an agriculture agent overseas. There are also awards, scrapbooks, and photographs. Also included are materials related to his wife Harriet Schlubatis including awards, a Michigan Normal School yearbook, and a student expense register.