Cambridge, Massachusetts. 29 January 1940 - Institutional correspondence A letter from Paul Sachs to Alfred H. Barr Jr.
Cambridge, Massachusetts, 1941 - Photograph Views of Guernica exhibited at the Fogg Art Museum, Harvard University
27 March 1940 - Internal museum documents Circulating exhibition contract for Picasso: Forty Years of His Art, between the Museum of Modern Art, New York, and the Institute of Modern Art, Boston
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the Lowe Gallery, Miami University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York