Charlotte, 27 January 1967 - Institutional correspondence Constance H. Nicholson's letter to Carol K. Uht
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Normal University, Illinois, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
Jeanne Siegel (ed.), <em>Artwords: Discourse on the ‘60s and ‘70s</em>, Ann Arbor: UMI Research Press, 1985, 101-119 - Essay “How Effective Is Social Protest Art? (Vietnam)”