- Barton, Clara, 1821-1912, interviewee1
- Baruch, Simon, 1840-19211
- Bastian, H. Charlton.1
- Bernal, Joaquin, author1
- Bernheim, Albert, author1
- Betancourt, Alfonso, author1
- Bice, Hiram H., author1
- Bigler, William H. (William Howard), 1840-1904, author1
- Bishop, Seth Scott, 1852-19231
- Bishop, Seth Scott, 1852-1923 author1
- Blake, Clarence J. (Clarence John), 1843-1919, author1
- Blumer, George, 1872-19622
- Bollinger, O. von (Otto von), 1843-1909 author3
- Bosworth, F. H. (Francke Huntington), 1843-19251
- Bowditch, H. P. (Henry Pickering), 1840-19113
- Bowen, John T. (John Templeton), 1857-1
- Bókay, Janós, 1858-1937, author1
- Brough, David D., author1
- Brower, Daniel R. (Daniel Roberts), 1839-1909, author1
- Brown, J. J. Graham (John James Graham)1