Pamela and Michael Alper, Chicago
Ann and Steven Ames, New York
Art Institute of Chicago, Chicago
Bertelsmann Music Group, New York
Laura and Dan Boeckman, Dallas
Benjamin HD Buchloh, New York
The Cleveland Museum of Art, Cleveland
Dallas Museum of Art, Dallas
Robert Egelston, Los Angeles
Charles Heilbronn, New York
Max Hetzler, Berlin
Mr. and Mrs. Robert K. Hoffman, Dallas
Dr. Michael Jacobs, New York
LaSalle National Bank, Chicago
Robert Levy, Dallas
Susan and Lewis Manilow, Chicago
Martin Margulies, Key Biscayne, Florida
Marian Goodman Gallery, New York
Richard Menschel, New York
Metropolitan Bank and Trust, Ohio
The Metropolitan Museum of Art, New York
Gary J. Mezzatesta, Los Angeles
Museum of Contemporary Art, Chicago
The Museum of Contemporary Art, Los Angeles
Museum of Modern Art, New York
New School for Social Research, New York
Penny Pritzker, Chicago
Perry Rubenstein, New York
Private Collection, Munich
The Saint Louis Art Museum, Missouri
Greg Salzman and Loretta Yarlow Salzman, Toronto
Mary and Peter Schlafly, Saint Louis, Missouri
Alison and Alan Schwartz, Toronto
Gayle and Paul Stoffel, Dallas
Thomas Struth, Düsseldorf
Gabrielle and Brandon Villarreal, Oak Ridge, Tennessee
Thea Westreich, New York