Creator
- Anti-Imperialist League (Boston, Mass.)1
- Arcos, Federico, 1920-20151
- Artiaga, Santiago1
- Arzoumanian, Hamparzoum, 1866-19091
- Association for Information and Image Management (U.S.).1
- Baldwin, Roger Nash, 1884-1
- Bartlett, Harley Harris, 1886-19601
- Bekken, Jon, 1960-1
- Belin, David W.1
- Berger, Louis J.1
- Berger, Victor L., 1860-19291
- Berkman, Alexander, 1870-19361
- Birkett, Richard1
- Biron, Lionel1
- Black Liberation Army1
- Blanc, Louis, 1811-18821
- Bloor, Ella Reeve, 1862-19511
- Blos, Joan W.1
- Bluestein,Abe1
- Bockris, Victor, 1949-1