Philadelphia Museum of Art

Chang, Young hae. "La prise de conscience de la langue dans l'oeuvre de Marcel Duchamp." Tyescript. Includes correspondence from hae Chang to Margaret Kline, 20th Century Art Department at the Philadelphia Museum of Art.

Pohlad, Mark B. "Marcel Duchamp and the Art of History." Dissertation proposal for University of Delaware, typescript. Includes correspondence from Pohlad to Anne d'Harnoncourt, George D. Widener Director of the Philadelphia Museum of Art.

Steefel, Lawrence D. "Marcel Duchamp's 'Encore a cet astre': a new look." Typescript. Includes correspondence from Steefel to to Anne d'Harnoncourt, Curator of 20th Century Art at the Philadelphia Museum of Art.

Shannon, Paul. [Untitled essay on Duchamp]. Typescript. Includes correspondence from Shannon, Art Institute of Chicago, to Anne d'Harnoncourt, Curator of 20th Century Art at the Philadelphia Museum of Art.

Working paper titled "Brancusi, Duchamp and Dada" by Edith Balas. Includes Balas's thesis prospectus and correspondence to Anne d'Harnoncourt.