NEW YORK New Art Circle J. B. Neumann
INSTITUTION
NEW YORK Nierendorf Gallery
INSTITUTION
NEW YORK Odyssia Gallery
INSTITUTION
NEW YORK Pace Gallery
INSTITUTION
NEW YORK Parke-Bernet
INSTITUTION
NEW YORK Peridot Gallery
INSTITUTION
NEW YORK Phillips
INSTITUTION
NEW YORK Plaza Art Galleries
INSTITUTION
NEW YORK Public Education Association
INSTITUTION
NEW YORK Rabin & Krueger Gallery
INSTITUTION
NEW YORK Rains Galleries
INSTITUTION
NEW YORK Richard L. Feigen & Co.
INSTITUTION
NEW YORK Richard L. Feigen Collection
INSTITUTION
NEW YORK Rockefeller Center
INSTITUTION
NEW YORK S. P. R. Galleries
INSTITUTION
NEW YORK Salander O'Reilly Galleries
INSTITUTION
NEW YORK Selected Artists Galleries
INSTITUTION
NEW YORK Serge Sabarsky Collection
INSTITUTION
NEW YORK Serge Sabarsky Gallery
INSTITUTION
NEW YORK Sotheby’s
INSTITUTION
NEW YORK Spencer A. Samuels
INSTITUTION
NEW YORK Surrogate's Court (NY-S-COURT)
INSTITUTION
NEW YORK The Drawing Society
INSTITUTION
NEW YORK Ubu Gallery
INSTITUTION
NEW YORK Vally Sabarsky Trust
INSTITUTION
NEW YORK Washburn Gallery
INSTITUTION
NEW YORK Weyhe Gallery
INSTITUTION
NEW YORK Whitney Museum of American Art
INSTITUTION
NEW YORK Wildenstein Gallery
INSTITUTION
NEW YORK William H. Schab Gallery
INSTITUTION
NEW YORK William Zierler Gallery
INSTITUTION
NEWPORT BEACH Museum of Art
INSTITUTION
NIEDERLANDE Triton Collection Foundation
INSTITUTION
NIEDERSCHÖNHAUSEN Schloss Schönhausen
INSTITUTION
NIIGATA Museum of Modern Art
INSTITUTION
NIJMEGEN Museum Commanderie van Sint-Jan
INSTITUTION
NIZZA Musée Masséna
INSTITUTION
NIZZA Musée d’Art Moderne et d’Art Contemporain
INSTITUTION
NORFOLK Museum of Arts and Science
INSTITUTION
NORTHAMPTON Smith College Museum of Art
INSTITUTION
NÜRNBERG Germanisches Nationalmuseum
INSTITUTION
NÜRNBERG Graphisches Kabinett
INSTITUTION
NÜRNBERG Jewish Restitution Successor Organization
INSTITUTION
NÜRNBERG Kunsthalle
INSTITUTION
OAKLAND Mills College Art Museum
INSTITUTION
OAXACA Instituto de Artes Gráficas
INSTITUTION
OBERLIN Allen Memorial Art Museum
INSTITUTION
OFFENBACH Archival Depot
INSTITUTION
OFFENBACH Klingspor Museum
INSTITUTION
OITA Art Museum
INSTITUTION