Thomas Downing

1954

Blue Space

Smithsonian American Art Museum

1961

Sans titre

Smithsonian American Art Museum

1962

Dream Rate

Phillips Collection

1962

Untitled

Smithsonian American Art Museum

1963

On Blue

Smithsonian American Art Museum

1963

Sans titre

National Gallery of Art

1964

Blue Spell

Phillips Collection

1964

Red Span

Smithsonian American Art Museum

1965

Billie's Ring Preliminary

Galerie d'Art Corcoran

1967

Title Six

Musée d'Art John-et-Mable-Ringling

1967

Seven

Galerie d'Art Corcoran

1967

Five

Whitney Museum of American Art

1968

Twenty

Smithsonian American Art Museum

1969

Ring Four

Musée d'Art moderne de San Francisco

1969

Fold Twelve

Smithsonian American Art Museum

1969

Ring Three

National Gallery of Art

1969

Grid #8

Smithsonian American Art Museum

1970

Grid #25

Smithsonian American Art Museum

1970

Grid Forty

Estampes de la National Gallery of Art

1970

Grid Thirty-one

Phillips Collection

1970

Grid Twenty-Two

Galerie d'Art Corcoran

1972

Tsivory

Phillips Collection

1972

Untitled

National Gallery of Art

1972

Antalaha

Smithsonian American Art Museum