- 1 Breck, Samuel 1771-1862
- 1 Breckinridge, Robert Jefferson, 1800-1871
- 1 Brehm and Stehle (Allegheny Avenue Dye Works)
- 1 Bremen, Germany
- 2 Brenner, Scott Francis, 1903-
- 1 Bretons
- 171 Breviaries
- 24 Breweries
- 4 Brewers' Building
- 1 Brewery Hill Drive
- 25 Brewerytown, Pennsylvania
- 12 Brewing industry
- 1 Briand, Aristide, 1862-1932
- 1 Brice, William & Allen, John & Co. Pork Packers
- 11 Bricks
- 5 Brickwork
- 8 Brickworks (factories)
- 6 brickyards
- 1 Bridegrooms
- 1 Brides
- 33 Bridesburg
- 3 Bridesburg Hotel
- 1 Bridesburg House
- 2 Bridesburg Manufacturing Co.
- 2 Bridge Street
- 8 Bridgeport, Pennsylvania
- 183 Bridges
- 3 Bridget, of Sweden, Saint, ca. 1303-1373
- 5 Bridgeton, New Jersey
- 1 Bridgetown, Barbados
- 1 Bridgewater Iron Co.
- 1 Bridgewater Iron Works
- 1 Bridgewater Iron Works (J. Brooks)
- 1 Bridgewater, Massachusetts
- 1 Bridles
- 2 Brierly, B. Spinning Mill
- 2 Briggs & Bro. Dark Run Mill
- 1 Bright cutting
- 6 Brighton, England
- 1 Brindal, William
