Exhibition catalogue published in conjunction with show held at The Museum of Modern Art, New York, October 2 - November 12, 1961; the Dallas Museum for Contemporary Arts, January 9 - February 11, 1962; the San Francisco Museum of Art, March 5 - April 15, 1962. Foreword by William C. Seitz, curator. Text includes "The Liberation of Words," which discusses the influence of poets Stéphane Mallarmé, Guillaume Apollinaire, Filippo Tommaso Marinetti, and André Gide on the use of collage in art-making; and "The Liberation of Objects," which discusses the artists instrumental in the development of assemblage. Artists include Eileen Agar, Fernandez Arman, Jean Arp, Johannes Baader, J.T. Lee Bontecou, Georges Braque, George Brecht, André Breton, Alberto Burri, John Chamberlain, Joseph Cornell, Juan Gris, George Grosz, Hannah Höch, Robert Indiana, Willem de Kooning, Méret Oppenheim, Robert Watts, H.C. Westermann, and many others. Includes bibliography, index, and artist biographies. Illustrated in black-and-white.