21
22
23
La presse socialiste en Europe = Die sozialistische Presse in Europa = The socialist press in Europe
Bibliotheek Camille Huysmans
Date 1953
monografie
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27
Date 1961
“...Socialist Union of Central-Eastern Europe (SUCEE)...”
brochure
28
Bibliotheek Camille Huysmans
Date 1951
periodiek