1. Bimba, Anthony
  2. Bread and Puppet Theater
  3. Baraka, Amiri
  4. Brookwood Labor College
  5. Black Panther Party
  6. Bulosan, Carlos
  7. Brodine, Russell V.
  8. Braden, Anne and Carl
  9. Bourne, Randolph S.
  10. Briefer, Richard
  11. Brodsky, Joseph R.
  12. Buck, Pearl S.
  13. Browder, Earl R.
  14. Bridges Harry
  15. Bookchin, Murray
  16. Bryant, Louise
  17. Birmingham Communism
  18. Baker, Ella
  19. Berry, Abner Winston
  20. The Bay Area’s Central American Solidarity Movement.
  21. "Bring the Boys Home" Movement
  22. Black Nation
  23. Bittleman, Alexander
  24. Benson, Allan L.
  25. Bedacht, Max
  26. Breitman, George
  27. Braverman, Harry
  28. Baker, General Gordon
  29. Blatch, Harriot Stanton
  30. Brotherhood of Timber Workers
  31. Boggs, James and Grace Lee
  32. Berkman, Alexander
  33. Bell, Derrick
  34. Brecht In America
  35. Bread and Roses
  36. Belafonte, Harry
  37. Bright, John
  38. Baran, Paul Alexander
  39. Beats and the New Left
  40. Baskin, Leonard
  41. Beard, Charles Austin
  42. British Americans
  43. Boudin, Louis B.
  44. Boot and Shoe Workers Union
  45. Black International
  46. Blitzstein, Marc
  47. Bellamy, Edward
  48. Berger, Victor L.
  49. Bloor, Ella Reeve
  50. Boyer, Richard Owen and Sophia Ripley Ames Boyer