8 July 1937 - Institutional correspondence Paul P. Rogers' letter to the North American Committee to Aid Spanish Democracy
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Allegheny College, Meadville, Pennsylvania, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
New York, November 10, 1967 - Petition A Call for the Immediate Resignation of all the Rockefellers from the Museum of Modern Art’s Board of Trustees