- Irving S. Abrams
- Muhammad Ahmad
- Gale Ahrens
- John P. Altgeld
- Caroline Ashbaugh
- Charles Asheigh
- Paul Avrich
- Enrico Baj
- Harry Barnard
- Karol Baron
- Frank O. Beck
- Edward Bellamy
- Robert Benedetti
- Benjamin Paul Blood
- Phyllis Boanes
- Henry Boernstein
- John H. Bracey
- Bob Breving
- Bernard J. Brommel
- Slim Brundage
- Leonora Carrington
- Cornelius Castoriadis
- L. S. Chumley
- Janina Ciezadlo
- Peter Cole
- Carlos Cortez
- Carlos Cortez
- Artur do Cruzeiro Seixas
- Charles A. Dana
- Clarence Darrow
- Carl Davidson
- Voltarine De Cleyre
- Eugene V. Debs
- David Dellinger
- Leon M. Despres
- Sam Dolgoff
- Rikki Ducornet
- John Duda
- Isadora Duncan
- Friedrich Engels
- Ben Fletcher
- Elizabeth Gurley Flynn
- Earl C. Ford
- William Z. Foster
- Daniel Fusfeld
- Paul Garon
- Amos Gilbert
- Martin Glaberman
- Paul Goodman
- Archie Green
- Covington Hall
- Tom Hayden
- Carol Heise
- Noel Ignatiev
- Illinois Labor History Society
- Industrial Workers of the World
- Joseph Jablonski
- C.L.R. James
- Florence Kelley
- Robin D.G. Kelley
- John Keracher
- Joyce Kornbluh
- Paul LaFargue
- Jacques Lacomblez
- Don Lacoss
- Grace C. Lee
- Warren Leming
- Vachel Lindsay
- Mary Low
- Staughton Lynd
- Mary Maclane
- Mary E. Marcy
- Karl Marx
- Henry E. McGuckin
- Claude McKay
- H. L. Mitchell
- Elizabeth Morgan
- Mother Jones
- David F. Noble
- Lucy Parsons
- Benjamin Peret
- Utah Phillips
- Wendell Phillips
- Peter Rachleff
- Charles Radcliffe
- Matthias Regan
- Ernest Riebe
- David Roediger
- Franklin Rosemont
- Henry P. Rosemont
- Penelope Rosemont
- Ron Sakolsky
- Salvatore Salerno
- Carl Sandburg
- Maynard Seider
- Jim Seymour
- Jack Sheridan
- Upton Sinclair
- T-Bone Slim
- Martin Smith
- Walker C. Smith
- Augustin Souchy
- Students for a Democratic Society
- Fred Thompson
- Henry David Thoreau
- Gene Tomko
- William Trautmann
- Theo Waldinger
- Stan Weir
- George Woodcock





