Dallas Museum of Fine Arts. Journey into Non-Objectivity: The Graphic Work of Kazimir Malevich and Other Members of the Russian Avant-Garde [Exhibition Photographs], collection, 1980; (https://texashistory.unt.edu/ark:/67531/metapth518572/m1/1/: accessed July 20, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .