Author/Creator
Marx, Karl
30
Engels, Friedrich
29
Gorter, Herman
3
Labriola, Antonio
3
Andler, Charles
2
Masereel, Frans
2
Sorel, Georges
2
Andreas, Bert
1
Bookchin, Murray
1
Bottigelli, Emile
1
Bruhat, Jean
1
Castillo, Santiago
1
Cerroni, Umberto
1
Charles, Heinrich
1
Deville, Gabriël
1
Garaudy, Roger
1
Istuto Giangiacomo Feltrinelli
1
Jacons, Roger
1
Jaurès, Jean
1
Kautsky, Karl
1
Kuczynski, Thomas
1
Kuypers, Julien
1
Lafargue, Laura
1
Laurat, Lucien
1
Luxemburg, Rosa
1
Martens, Ludo
1
Meyr, Sepp
1
Miry, Raoul
1
Rubel, Maximilien
1
Ryazanoff, D.
1