25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
Cover of <em>Life</em>, New York, May 15, 1970 - Magazine “Tragedy at Kent. Cambodia and Dissent: The Crisis of Presidential Leadership”
Cambridge, Massachusetts, 14 May 1973 - Institutional correspondence Catherine Freedberg's letter to Patricia Failing