Philadelphia, 3 May 1939 - Institutional correspondence The Medical Bureau and North American Committee's letter to the Exhibition Committee
ca. 1952–1957 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the Cincinnati Art Museum, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
Princeton, 8 December 1956 - Institutional correspondence A letter from Kazuko Higuchi to Alfred H. Barr Jr.