AFA American Federation of Arts, New York
American Craft Museum, New York
Andre Emmerich Gallery, New York
The Asia Society, New York
John Berggruen Gallery, San Francisco
The Brooklyn Museum, New York
Carnegie Hall, New York
Charles Cowles Gallery, New York
CIJE, Council for Initiatives in Jewish Education
CPR Center for Public Resources, New York
David A. Hanks & Associates, New York
The Drawing Society, New York
The Ford Foundation, New York
Frost & Sullivan, California
Hirschl & Adler Galleries, New York
Hirschl & Adler Folk, New York
Hirschl & Adler Modern, New York
Indianapolis Museum of Art, Indiana
IREX International Research & Exchanges Board
The Jewish Museum, New York
The Josiah Macy Jr. Foundation, New York
The Lucile Packard Foundation for Children, California
The Metropolitan Museum of Art, New York
The Metropolitan Opera, New York
Musée des Arts Decoratifs de Montreal, Montreal, Canada
Museum of Modern Art, New York
The National Center for the Study of Frank Lloyd Wright
Norman Foundation, Inc, New York
Norton Gallery of Art, Palm Beach, Florida
Orange County Museum of Art, Newport Beach, California
Parrish & Reinish, Inc. New York
Prospect Hill Foundation, New York
Publishing Center for Cultural Resources, New York
RAM  Racine Art Museum, Racine, Wisconsin
Robert Miller Gallery, New York
Stanford University, Graduate School of Business, California
Scottsdale Museum of Contemporary Art, Arizona
Tibor de Nagy Gallery, New York
Tyler Museum of Art, Texas
Wadsworth Atheneum Museum of Art, Hartford, Connecticut
Weatherspoon Art Gallery, The University of North Carolina
Whitney Museum of American Art, New York
Whitney Museum of American Art at Champion, Connecticut
Whitney Museum of American Art at Equitable Center, New York
Whitney Museum of American Art at Philip Morris, New York