Subject
- Breakfasts1
- Bridgman, P. W. (Percy Williams), 1882-19611
- Brochures1
- Brode, Johannes1
- Brokesch, Georg Conrad Adolph, 1849-18961
- Brooklyn Bureau of Charities1
- Brownian movements1
- Bruner, Ludwik, 1871-19131
- Bruni, Giuseppe, 1873–19461
- Brønsted, J. N. (Johannes Nicolaus), 1879-19471
- Buchhandlung Gustav Fock1
- Bugarszky, István, 1868-19411
- Bunsen burner1
- Business travel1
- Busts1
- Calculus1
- California--Berkeley1
- Cameron, J. W. MacBain (James William MacBain), 1910-19751
- Camps1
- Cannizzaro, Stanislao, 1826-19101