Müller, Grégoire. The new avant-garde issues for the art of the seventies. Text by Grégoire Müller. Photographs by Gianfranco Gorgoni. - New York Praeger Pub. [1972] - 177 p. illus. LCCN: 72166514 Subjects--Topical Terms: Artists, AmericanArt, Modern--United States.--20th centuryArt--Philosophy. LC Class. No.: N6512 / .M75 Dewey Class. No.: 709/.04