1. London, Jack
  2. Local 9, Packinghouse Workers
  3. Lithuanian Americans
  4. Liberation News Service
  5. Labor Museums
  6. Lewis, Samella
  7. Lynd Staughton and Alice Lynd
  8. Lewontin, Richard
  9. League of Revolutionary Struggle
  10. Literary Criticism
  11. Lloyd, Henry Demarest
  12. Lower East Side, New York City
  13. Lehr-Und Wehrvereine
  14. Local 9, Packinghouse Workers-1
  15. Lucifer, The Light-Bearer
  16. Ludlow Massacre
  17. Liberation
  18. Little, Frank
  19. Lowe, Caroline A.
  20. Lawson, John Howard
  21. Leacock, Eleanor Burke
  22. Left Art, to 1940
  23. Lardner, Ring JR.
  24. Lerner, Gerda
  25. Liberation Theology
  26. Latin American Studies Association
  27. Little Lefty
  28. Lawrence, Jacob
  29. London, Meyer
  30. Liberator
  31. Labor Notes
  32. Le Sueur, Meridel
  33. Labor Today
  34. Lowenfels, Walter
  35. Labor Party
  36. Lawrence Textile Strike
  37. Llano Cooperative Colony
  38. Lumpenproletariat
  39. Lens, Sidney
  40. Lay, Benjamin
  41. League of Women Shoppers
  42. League of Revolutionary Black Workers
  43. Losey, Joseph
  44. Lampell, Millard
  45. La Follette, Robert Marion
  46. Lewis, Austin M.
  47. Labor Radio
  48. Lovestoneites
  49. Lore, Ludwig
  50. Latvian Americans