The collection mostly documents Michigan railroads, focusing on the Ann Arbor Railroad Company (AARR), related lines, and its ferries in many formats. Also included are some organizational records of the Ann Arbor Railroad Technical and Historical Association (AARTHA).
This artificial collection includes articles by or about Hemingway, movie posters and photographs, manuscript letters, printed and miscellaneous materials about Ernest Hemingway and his books, diaries of Ernest's uncle, George R. Hemingway, and the organizational records of the Michigan Hemingway Society.