Whitney Museum of American Art, New York; purchase, with funds from the Burroughs Wellcome Purchase Fund; Leo Castelli; the Wilfred P. and Rose J. Cohen Purchase Fund; the Julia B. Engel Purchase Fund; the Equitable Life Assurance Society of the United States Purchase Fund; The Sondra and Charles Gilman, Jr. Foundation, Inc.; S. Sidney Kahn; The Lauder Foundation, Leonard and Evelyn Lauder Fund; the Sara Roby Foundation; and the Painting and Sculpture Committee