Names
- Arcadia & Betsey River Railway Company.1
- Architectural League of America.1
- Association of Collegiate Schools of Architects.1
- Association of Collegiate Schools of Architecture.1
- Atchison, Topeka, and Santa Fe Railway Company.1
- Atlantic and Gulf Railroad Company.1
- Au Sable & Northwestern Railway Company.1
- Bailly de Messein, Joseph, 1774-1835.1
- Bailly family.1
- Bald, F. Clever (Frederick Clever), 1897-1970.1
- Baldwin, Charles.1
- Baldwin, Frank Conger, 1869-1945.1
- Baltimore and Ohio Railroad Company.1
- Bandholtz, Harry Hill, 1864-1925.1
- Barbour, Levi L. (Levi Lewis), 1840-1925.1
- Barnett, Leroy, collector1
- Barry, John Stewart, 1802-1870.1
- Bath & Hammondsport Railroad.1
- Bear Lake and Eastern Rail Road Company.1
- Beaver Island Lumber Company.1