25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
<em>Arts Magazine</em>, New York, vol. 41, no. 6, (April 1967): 48–49 - Article “The Artist as an Angry Artist: The Obsession with Napalm”
Hans-Ulrich Obrist (ed.), <em>Leon Golub: Do Paintings Bite? Selected Texts 1948–1996</em>, Ostfildern: Hatje Cantz, 1997, 184–191 - Article “Guernica, the Apocalypse of Saint-Sever”
Cambridge, Massachusetts, 14 May 1973 - Institutional correspondence Catherine Freedberg's letter to Patricia Failing