Norton Simon Museum, Gift of Mr. and Mrs. Eugene M. Schwartz
Â© 2011 Robert Irwin / Artists Rights Society (ARS), New York Reproduction, including downloading of ARS works is prohibited by copyright laws and international conventions without the express written permission of Artists Rights Society (ARS), New York
Pace Gallery, New York, to;
Mr. and Mrs. Eugene M. Schwartz, gift 1969 to;
Pasadena Art Museum, Pasadena, 1969-1975;
Norton Simon Museum, Pasadena.