- 5 Brooms (maintenance tools)
- 1 Brothels
- 2 Brotherhoods
- 1 Brotherly Love Hall
- 1 Brothers
- 3 Brough, Robert B. (Robert Barnabas), 1828-1860
- 3 Brougham, Henry Peter, Lord, 1778-1868
- 1 Brown & Bliss
- 1 Brown & Morton Dentists (Firm)
- 1 Brown Bros. Co. Building
- 6 Brown Street
- 2 Brown, A. G., printer.
- 1 Brown, Barzilai
- 1 Brown, Charles Lincoln, 1864-19??
- 11 Brown, D. R., architect.
- 4 Brown, E.E. & Co. Sash Window Factory
- 2 Brown, Frederick, 1796-1864
- 1 Brown, John & Sons see Southwark Mills
- 2 Brown, Timothy Yeats, 1789-1858
- 1 Brown, Walter F.
- 5 Browne, Hablot Knight, 1815-1882
- 1 Brown's Farm
- 1 Brugg's Paint Works
- 1 Bruner's Chatham Cotton Mill
- 1 Brunswick Square, England
- 1 Brunswick, Germany
- 7 Brussels, Belgium
- 1 Bryan, William Jennings, 1860-1925
- 1 Bryant & Statton Business College
- 4 Bryant Vase
- 24 Bryn Mawr, Pennsylvania
- 2 Bubbles
- 1 Bucerotidae (family)
- 2 Buchanan & Edmunds, Public Weighers
- 1 Buchman & Kahn, Architects
- 1 Buck Hotel
- 7 Buckets (vessels)
- 3 Buckeye Engine Co.
- 1 Buckle, Henry Thomas, 1821-1862
- 1 Buckles
