Exhibition catalogue published in conjunction with show held at the Stedelijk Museum, Amsterdam, Netherlands, May 3 - June 10, 1963; and the Staatliche Kunsthalle, Baden-Baden, Germany, June 14 - August 4, 1963. Text by Franz Mon, Dietrich Mahlow, Werner Doede, Julius Rodenberg, Helmut Heißenbüttel, Paul Seylaz, Wolfgang Grözinger, Umbro Apollonio, Shiryu Morita, and Irmtraud Schaarschmidt-Richter. Artists include Henri Michaux, Joan Miro, Laszlo Moholy-Nagy, Francis Picabia, Pablo Picasso, Diter Rot (Dieter Roth), Ben Shahn, Cy Twombly, and many more. Largely illustrated in black-and-white, with some color illustrations. Many illustrations printed on vellum. Parallel text in Dutch, French, and German.