Muray, Nickola. Frida Kahlo, 1939. Artstor, library.artstor.org/asset/AEASTMANIG_10313030629.
Mondrian, Piet. Composition with Red, Blue, and Yellow. 1930. Artstor, library.artstor.org/asset/LESSING_ART_10310751326
Dome of the Rock, interior view. 7th cent.. Artstor, library.artstor.org/asset/LESSING_ART_10313048358