X + X by Various Artists, Robert Indiana, Warhol, Andy, Ortman, George, Motherwell, Robert, National Gallery of Art, Kelly, Ellsworth, Wadsworth Atheneum Museum of Art, Ives-Sillman, Stella, Frank, Williams, Dave H. and Reba W., Stuart Davis, Larry Poons, Florian Carr Fund, Lichtenstein, Roy, Ad Reinhardt — VisualArtsDB

X + X by Various Artists, Robert Indiana, Warhol, Andy, Ortman, George, Motherwell, Robert, National Gallery of Art, Kelly, Ellsworth, Wadsworth Atheneum Museum of Art, Ives-Sillman, Stella, Frank, Williams, Dave H. and Reba W., Stuart Davis, Larry Poons, Florian Carr Fund, Lichtenstein, Roy, Ad Reinhardt — VisualArtsDB