The Spring 1968 issue of Arts in Society specifically focuses on Happenings as a "boundary-breaking" and "intermedia" phenomenon. Includes contributions by Edward L. Kamarck, Dick Higgins, Allan Kaprow, Paul Epstein, James L. Rosenberg, Gilbert Chase, Ann Halprin, Robert Ashley, Roger Reynolds, Wolf Vostell, Jindrich Chalupecky, Ben Vautier, Robert Edenbaum, William O. Reichert and Albert Bermel.