The Marietta Denison collection consists of photographs and postcards primarily of Michigan cities, towns, schools, and notable points of interest.

The Robert M. Williams collection primarily contains photographs and postcards of street scenes and daily life in the Michigan towns of Baraga, Brown City, Copper Harbor, Dryden, and L’Anse. There are also postcards and photographs of the dedication and planting of the L’Anse Township School Forest on May 23, 1930. The collection also includes photographs of Michigan State University’s Agriculture Hall, Morrill Hall, and the Physics and Electrical Engineering Building.