Author/Creator
Van Vliet, Wim
2
Waldorp, Jan
2
Wolsey, Boy
2
American Federation of Labor (AFL)
1
American Federation of State. Country and municipal Employees (AFSCME)
1
Baykowski, J.
1
Benoit, Peter
1
Bongenaar, John
1
Burman, Brian
1
Campbell, Thomas
1
Carpenter, J.E.
1
Collyns, F. Jos
1
Congress of Industrial Organizations (CIO)
1
De Geyter, Pierre
1
Dunham Hunt, Patricia
1
Eardley-Wilmot, D.
1
Engelbach, Jerry
1
Forster, S.
1
Foster
1
Gifford, Alan
1
Glover, Stephen
1
Haanraadts, Wim
1
Heine, Heinrich
1
Hemauer
1
Hermanowski, Georg
1
International Union of Socialist Youth (IUSY)
1
Keller
1
Ketelbey, Albert W.
1
Koenen, Wilhelm
1
Löhr, Hermann
1
Malinski, J.
1
Mattheessens, Marcel
1
Myers, David
1
Paul, Olga
1
Pottier, Eugène
1
Rota, Nino
1
Schumann, Robert
1
Stojowski, Sigismond
1
Théatre Populaire de Bruxelles
1
Van de Rovaart, M.C.
1
Vanhavenberge, Fr
1
Vetter, Mathias
1
Vonck, Theo
1
Willems, Gert
1
Worsley, John
1
Zdzich
1
d'Amor, Pierre
1