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		Newell, James Michael	The Evolution of Western Civilization [The Evolution of Western Civilization / The Use of Symbo[…]		In: Francis V. O'Connor (ed.), WPA. Art for the Millions, Greenwich CT 1976, p. 60–63