Biró, Mihály (Undefined) Druckerei M G I, Wien VIII (printer) Sozialdemokratische Partei Österreichs [Social-Democratic Party of Austria] (publisher/sponsor)
Dorival, Georges (Undefined) Coquemer Imprimerie, Paris (printer) Société des Foyers de l'Union Franco-Americaine (publisher/sponsor) YMCA (publisher/sponsor)
Unknown (Undefined) Imprimerie A Lesigne, Bruxelles (printer) Commune de Saint-Josse-ten-Noode (publisher/sponsor) Gemeente Sint-Joost-ten-Noode (publisher/sponsor)
Unknown (Undefined) Kunstanstalt Weylandt, Berlin SO16 (printer) Sozialdemokratische Partei Deutschlands [Social Democratic Party of Germany] (publisher/sponsor)