Armory Show (1913 : New York, N.Y.)

Archives of American Art journal. "Amicalement, Marcel: fourteen letters from Marcel Duchamp to Walter Pach" by Francis M. Naumann [copy].

Art in Modern Architecture. Marcel Duchamp interview with Eleanor Bittermann.

Correspondence from Francis Naumann to Anne d'Harnoncourt, Curator of 20th Century Art at the Philadelphia Museum of Art.

Correspondence from Milton Wolf Brown, Assistant Professor of Art History at the Brooklyn College, to Walter Arensberg.

Correspondence from Sidney Geist to Anne d'Harnoncourt, Curator of 20th Century Art at the Philadelphia Museum of Art.

Correspondence from Walter Pach to Fiske Kimball, Director of the Philadelphia Museum of Art.

Draft introduction for Marcel Duchamp catalogue written by Anne d'Harnoncourt, Curator of 20th Century Art for the Philadelphia Museum of Art.

Draft introduction for Marcel Duchamp catalogue written by Anne d'Harnoncourt, Curator of 20th Century Art for the Philadelphia Museum of Art.

Draft introduction for Marcel Duchamp catalogue written by Anne d'Harnoncourt, Curator of 20th Century Art for the Philadelphia Museum of Art.

Draft preface for Marcel Duchamp catalogue written by Evan H. Turner and Richard Olenburg with notes by Anne d'Harnoncourt.