Philadelphia, 3 May 1939 - Institutional correspondence The Medical Bureau and North American Committee's letter to the Exhibition Committee
Philadelphia, 10 May 1939 - Institutional correspondence A letter from the Medical Bureau and North American Committee to Evelyn Ahrend
1939 - Receipt Receipts for donation made to the Medical Bureau and North American Committee to Aid Spain Democracy
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Arkansas University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York