Author/Creator
American Federation of Labor (AFL)
4
Congress of Industrial Organizations (CIO)
4
AFL-CIO
3
Algemeen Belgisch Vakverbond (ABVV)
2
Bread and Roses Cultural Project
2
Glaser, Milton
2
Meany, George
2
American Federation of Labor and Congress of Industrial Organizations
1
Futura Press
1
Goldberg, Arthur J.
1
Mac Donald, David J.
1
Morris, George
1
Mort, Jo-Ann
1
Physicians for Social Responsibility (PSR)
1
SEIU
1
Scipes, Kim
1
Torres, Francesc
1
Van Goethem, Geert
1
Vlaamse Intergewestelijke van het ABVV
1
Waters, Robert Anthony
1
van der Linden, Marcel
1