Collections : [University of Michigan Bentley Historical Library]

Professor of German at the University of Michigan and Columbia; mostly correspondence of Thomas with his family, professional colleagues, publisher, etc.; also some correspondence of his wife after his death; speeches, lecture notes, biographical sketches; papers include material on language studies at Michigan and Columbia, attitudes of academia toward Germans in World War I, accounts of European travels in 1877, 1896, and 1900; Civil War letter of Steven Thomas, Calvin's father.

The collection has been arranged into the following series: Biographical/personal material; Correspondence; Lectures and addresses; Journals/diary; Scrapbooks; Other family members papers; and Publications.

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.