Exhibition catalogue published in conjunction with show held at Hirshhorn Museum and Sculpture Garden, June 9 - August 19, 1984; the Milwaukee Art Museum, November 18, 1984 - January 15, 1985; and the J.B. Speed Art Museum, Louisville, Kentucky, February 21 - April 21, 1985. The exhibition addressed the various social, political, and artistic definitions of "collaboration" in the twentieth century. Text by Cynthia Jaffee McCabe, David Shapiro, and Robert C. Hobbs. Includes catalogue of the exhibition, biographies of the artists, and a bibliography. Artists include Pierre Alechinsky, Karel Appel, Walter Conrad Arensberg, Armand Fernandez, Armand Pierre Arman, Jean Arp, Joseph Beuys, André Breton, Anthony Caro, Joseph Cornell, Salvador Dali, Marcel Duchamp, Hannah Höch, Joan Miró, Isamu Noguchi, Kenneth Noland, Frank O'Hara, Egon Schiele, Kurt Schwitters, Dorothea Tanning, Antoni Tapies, and others. Illustrated in black-and-white and color.