Collections : [University of Michigan Bentley Historical Library]

Lansing, Michigan businessman, founder of the Hudson Motor car Company, Secretary of Commerce in the Hoover Administration, leader of the "good roads movement" and the Lincoln Highway Association. Collection includes correspondence, speeches, business papers, clippings and scrapbooks and photographs.

The Roy D. Chapin papers include correspondence, speeches, articles, interviews, business papers, receipts, scrapbooks, photographs, and miscellaneous notes and files of Chapin's wife, and his biographer, John C. Long, concerning family matters, highway transportation, the automobile industry, general economic conditions, foreign trade, World War I, national defense, state and national politics, the Republican Party, and the University of Michigan. The collection also contains extensive papers concerning the Hudson Motor Car Company, including information on management policies, production, and labor organizing.

Hamburg, Livingston County, and Ann Arbor, Michigan, family. Correspondence, newspaper clippings and photographs of the Lohmiller, Twichell, and Hollister families.

The papers of the Twichell family document three generations of the extended Twichell families. It includes extensive correspondence files, reminiscences of life on turn-of-the-century Michigan farm and of student life the University of Michigan, files relating to the family businesses including boardinghouses in Ann Arbor, and photographs of family members, towns in Michigan, and University of Michigan students. The collection has been arranged into the following series: Correspondence, Alphabetical Files, Photographs, and Sound Recordings.