Subject
- Biology1
- Birth certificates1
- Bischai, Ramses1
- Black, Algernon D. (Algernon David), 1900-19931
- Blindness1
- Blood donors1
- Blumenfeld, Kurt, 1884-19631
- Bodländer, Guido, 1855-19041
- Boehm, Karl1
- Bohr, Niels, 1885-19621
- Boltwood, Bertram Borden, 1870-19271
- Boltzmann, Ludwig, 1844-19061
- Bombing, Aerial1
- Bonnat, Léon Joseph Florentin, 1833-19221
- Bosnia and Herzegovina--Sarajevo1
- Boy Scouts of America. Greater New York Councils1
- Böhtlingk, Arthur 1849-19291
- Brabham, J. E.1
- Braun, Ferdinand, 1850-19181
- Braune, Hermann, 1886-19771