Mondrian, Piet, 1872-1944

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

Correspondence from C. W. Six, Tax Accoutant, to the California State Board of Equalization. Includes list of purchases from out-of-state retailers during the period July 1, 1935 to September 30, 1951.

Correspondence from Carl Zigrosser, Acting Director of the Philadelphia Museum of Art, to Marcel Duchamp.

Correspondence from Carl Zigrosser, Acting Director of the Philadelphia Museum of Art, to Marcel Duchamp [copy].

Correspondence from Dan Flavin to Kynaston McShine, Curator for the Museum of Modern Art, and Anne d'Harnoncourt, Curator of 20th Century Art for the Philadelphia Museum of Art.

Correspondence from Daniel Catton Rich, Director of Fine Arts at the Art Institute of Chicago, to Walter Arensberg.

Correspondence from Fiske Kimball, Director of the Philadelphia Museum of Art, to the Editor of Art Digest.

Correspondence from Frank Perls to Walter Arensberg.

Correspondence from Hans Richter to Walter Arensberg. Includes outline for an exhibition of Richter's work in San Francisco.

Correspondence from Helen Topping, Registrar for the San Francisco Museum of Art, to Walter Arensberg.