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)
/ From Machines to Images-Themes and Interpretations in Dokumentum
[31] Lajos Kassák, [Untitled], Dokumentum, 1/1., 1926, 23., Budapest
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