File:Amsterdam - Stedelijk Museum - Kazimir Malevich (1878-1935) - Suprematist Painting (with Black Trapezium and Red Square) (A 7681) 1915.jpg - Wikimedia Commons
Kazimir Malevich - Wikipedia
File:Black Square and Red Square (Malevich, 1915).jpg - Wikimedia Commons
Wikidata:WikiProject sum of all paintings/Creator/Kazimir Malevich - Wikidata
An Englishman in Moscow - Wikipedia
Kazimir Malevich - Wikipedia
File:Kazimir Malevich, 1933, Self-portrait.png - Wikipedia