Gift to National Gallery of Art, June 24, 1963
Supplemental indenture of June 24, 1963. Samuel H. Kress Foundation Archive, Series 2.7 Indentures: Regional Collections, Special Collections, Study Collections, and Gift Locations.
Board of Trustees Minutes: Vol. 13: 3563, 3570-3571. National Gallery of Art, Gallery Archives, 1B Board of Trustees Meeting Minutes.