∇ YALE UNIVERSITY ART GALLERY INSTALLATION ∇ YALE UNIVERSITY ART GALLERY INSTALLATION, 1969 - WILLIAM CONLON YALE UNIVERSITY ART GALLERY INSTALLATION, 1969 - WILLIAM CONLON YALE UNIVERSITY ART GALLERY INSTALLATION, 1969 - WILLIAM CONLON YALE UNIVERSITY ART GALLERY INSTALLATION, 1969 - WILLIAM CONLON
