25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
London, 2010 - Exhibition catalogue Installation catalogue The Nature of the Beast, Whitechapel Art Gallery
New York: Women Artists in Revolution (W.A.R.), 1971 - Photocopied documents A Documentary Herstory of Women Artists in Revolution
Whitechapel Gallery, London, April 5, 2009 – April 18, 2010 - Exhibition Installation The Nature of the Beast, Whitechapel Art Gallery
Cambridge, Massachusetts, 14 May 1973 - Institutional correspondence Catherine Freedberg's letter to Patricia Failing