Author/Creator
Roland Holst-van der Schalk, Henriëtte
4
Delvo, Edgard
2
Shaw, George Bernard
2
Vandervelde, Emile
2
Ankersmit, J.F.
1
Avanti
1
Bakoenin, Michail
1
Banning, Willem
1
Berkman, Alexander
1
Bernstein, Eduard
1
Besant, Annie
1
Boersma, Jelle
1
Clarke, William
1
D'Oliveira, E.
1
Daeninck, Gilbert
1
Drukker, Ber
1
Engels, Friedrich
1
Fayat, Henri
1
Ferri, Enrico
1
Gronlund, Laurence
1
Göhre, Paul
1
Horreus de Haas, G.
1
Magits, Leo
1
Malon, Benoît
1
Mellink, Albert
1
Mercier, Hélène
1
Noppen, Herman
1
Olivier, Sydney
1
Parvus
1
Pierson, Marc-Antoine
1
Religieus-Socialistisch Verbond (RSV)
1
Rienzi
1
Schäffle, A.E.
1
Sevens, Theodor
1
Sombart, Werner
1
Spaak, Paul-Henri
1
Tijtgat, Karel
1
Troelstra, Pieter Jelles
1
Ulfers, S.
1
Van Beveren, Edmond
1
Van der Voo, B.P.
1
Vandromme, Pol
1
Vercammen, R.
1
Vermeylen, Piet
1
Wallas, Graham
1
Webb, Sidney
1
Wibaut, F.M.
1
Zaalberg, C.J.P.
1
de Man, Hendrik
1