Names
- American Manufacturing Company (Battle Creek, Mich.)1
- American Rolling Mill Company.1
- Ann Arbor Railroad Company.1
- Ann Arbor Street Railway Company.1
- Ann Arbor and Ypsilanti Electric Railway Company.1
- Antrim Iron Company.1
- Apostles Club (University of Michigan)1
- Arcadia & Betsey River Railway Company.1
- Atchison, Topeka, and Santa Fe Railway Company.1
- Atlantic and Gulf Railroad Company.1
- Au Sable & Northwestern Railway Company.1
- Ayres, Lewis, Norris, and May.1
- Babst, Earl D., 1870-1967.1
- Baird, Charles, 1870-1944.1
- Baltimore and Ohio Railroad Company.1
- Bath & Hammondsport Railroad.1
- Baxter, Dow Vawter, 1898-1965.1
- Bear Lake and Eastern Rail Road Company.1
- Beaver Island Lumber Company.1
- Bentley Historical Library (collector)1