Balázs Eszter: Art in action. Lajos Kassák's Avant-Garde Journals from A Tett to Dokumentum, 1915-1927 - The avant-garde and its journals 3. (Budapest, 2017)
Hubert van den Berg: Lajos Kassák, the Viennese Edition of MA and the “International” of Avant-Garde Journals in the 1920s
fl.] Advertisement for international avant-garde journals, MA, 8/1., [back cover], Vienna 10
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