25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the School of Fine and Applied Arts, Columbus, Ohio, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
Cambridge, Massachusetts, 14 May 1973 - Institutional correspondence Catherine Freedberg's letter to Patricia Failing