Names
- Atlantic and Gulf Railroad Company.1
- Au Sable & Northwestern Railway Company.1
- Automation Alley.1
- Baldwin, Frank Conger, 1869-1945.1
- Baltimore and Ohio Railroad Company.1
- Barbour, Levi L. (Levi Lewis), 1840-1925.1
- Bath & Hammondsport Railroad.1
- Bay Mills Indian Community.1
- Bear Lake and Eastern Rail Road Company.1
- Beaver Island Lumber Company.1
- Begg, Victor.1
- Bennison, Charles E., 1917-1
- Bentley Historical Library14
- Bentley Historical Library (collector)3
- Big Rapids and Western Railroad Company.1
- Big Sky Resort.2
- Blaney and Southern Railway Company.1
- Bledsoe Ford, Deborah Geraldine.1
- Booth, Henry Scripps, 1897-1
- Booth, Henry Scripps, 1897-1988.1