sprache	abbildung	namen	titel	isbn	+
en		Hemingway, Andrew	Artists on the Left: American Artists and the Communist Movement, 1926-1956	978-0300092202	Yale, 2002 […]
en		Lackritz Gray, Mary	A Guide to Chicago's Murals	0-226-30599-6	Chicago, 2001
en		Siporin, Mitchell	Mural Art and the Midwestern Myth		In: Francis V. O'Connor (ed.), WPA. Art for the Millions, Greenwich CT 1976, p. 64–67