Author/Creator
Aronstein, Claude Serge
1 results
Belgische Socialistische Partij (BSP)
2 results
Belgische Werkliedenpartij (BWP)
1 results
Cotteret, Jean-Marie
1 results
Demets, Marcel
1 results
Emeri, Claude
1 results
Friedrich, C.J.
1 results
Fédération Générale du Travail de Belgique (FGTB)
1 results
Graf, Hans
1 results
Hermens, F.A.
1 results
Larock, Victor
1 results
Martens, Frida
1 results
Ministère de l'Instruction Publique
1 results
Parti Socialiste Belge (PSB)
8 results
Patou, Jan
1 results
Socialistische Partij (SP)
8 results
Spelkens, Emy
1 results
Van Roosbroeck, Joseph Louis
1 results
Weber, Alfred
1 results