, 'WAR IS OVER if you want it,' 1969, The Museum of Modern Art

Yoko Ono

WAR IS OVER if you want it, 1969

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Bag Piece performed by Yoko Ono in Perpetual Fluxfest, Cinematheque, New York, June 27, 1965,' 1964, The Museum of Modern Art

Yoko Ono

Bag Piece performed by Yoko Ono in Perpetual Fluxfest, Cinematheque, New York, June 27, 1965, 1964

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Grapefruit,' 1964, The Museum of Modern Art

Yoko Ono

Grapefruit, 1964

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Painting to See in the Dark (Version 1) (Installation view),' 1961, The Museum of Modern Art

George Maciunas

Painting to See in the Dark (Version 1) (Installation view), 1961

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Yoko Ono with Standing Woman (1932) by Gaston Lachaise, The Museum of Modern Art Sculpture Garden, New York. c. 1960–61.,' 1960-1961, The Museum of Modern Art

Minoru Niizuma

Yoko Ono with Standing Woman (1932) by Gaston Lachaise, The Museum of Modern Art Sculpture Garden, New York. c. 1960–61., 1960-1961

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Half-A-Room (detail),' 1967, The Museum of Modern Art

Yoko Ono

Half-A-Room (detail), 1967

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Museum of Modern [F]art,' 1971, The Museum of Modern Art

Yoko Ono

Museum of Modern [F]art, 1971

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Works by Yoko Ono, poster, Carnegie Recital Hall, New York, November 24, 1961.,' 1961, The Museum of Modern Art

Yoko Ono

Works by Yoko Ono, poster, Carnegie Recital Hall, New York, November 24, 1961., 1961

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)

, 'Cut Piece (1964) performed by Yoko Ono in New Works of Yoko Ono, Carnegie Recital Hall, New York, March 21, 1965,' 1964 -1965, The Museum of Modern Art

Yoko Ono

Cut Piece (1964) performed by Yoko Ono in New Works of Yoko Ono, Carnegie Recital Hall, New York, March 21, 1965, 1964 -1965

"Yoko Ono: One Woman Show, 1960-1971" at Museum of Modern Art, New York (2015)