New York, 14 August 1942 - Internal museum documents Elodie Courter Osborn's letter to Alfred H. Barr Jr.
New York, 20 August 1942 - Internal museum documents Elodie Courter Osborn's letter to Dorothy Dudley
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