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)
Merse Pál Szeredi: Kassákism - MA in Vienna (1920-1925)
[3.] Etel Nagy, Lajos Kassák and Jolán Simon in their rented room in Vienna, Vienna, February 1925, photographs, PIM-Kassák Museum, Budapest 112 \
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