Names
- Baltimore and Ohio Railroad Company.1
- Barbour Gymnasium (University of Michigan)2
- 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 Library14
- Bentley Historical Library (collector)1
- Big Rapids and Western Railroad Company.1
- Bishop, William Warner, 1871-1955.1
- Blaney and Southern Railway Company.1
- Boyne City Railroad Company.1
- Boyne City and Southeastern Railroad Company.1
- Boyne City, Gaylord and Alpena Railroad Company.1
- Briggs, Annie Mae.1
- Buckley & Douglas Lumber Company.1
- Burton, Marion Le Roy, 1874-1925.1
- C.W. Jones Lumber Company.1
- Cadillac & Lake City Railway Company.1
- Cadillac and Northeastern Railroad Company.1