Exhibition catalogue for show held June 23 - July 9, 1972. Text by Barbara Rose. Features works by artists represented by the four galleries of 420 West Broadway, New York: Leo Castelli, André Emmerich, Sonnabend, John Weber. Includes artist: Bruce Nauman, Keith Sonnier, Robert Morris, Richard Serra, John Seery, Robert Natkin, Sol LeWitt, Carl Andre, Fred Sandback, Dan Flavin, Robert Ryman, Mario Merz, Giovanni Anselmo, Alighiero Boetti, Gilberto Zorio, Salvo, John Baldessari, Denis Oppenheim, Sarkis, William Wegman, Gilbert & George, Mel Bochner, Bernd & Hilla Becher, Dorothea Rockburne, Pierpaolo Calzolari, Jim Dine, Christian Boltanski, Joel Fisher, Robert Rauschenberg, Jannis Kounellis, Dan Graham, Giulio Paolini, Vito Acconci. Text in English.