In ashes with collage, 1949–1949

AUTOMATISM A; AND AUTOMATISM B, 1965–1966

Harvest with blue bottoms, 1973–1973

Untitled, 1948–1948

Frontispiece, 1971–1971

Open # 81, 1969–1969

Alberti elegy

Africa no. IV, 1975–1975

Spanish Prison (Window), 1944–1944

Summer light series

Indian Heat, 1946–1946

Elegy for Spanish Republic #125, 1972–1972

Blue 5, 1969–1969

The Paper Guitar, 1973–1973

Gordon's, 1967–1970

Bull #2, 1958–1958

BESIDE THE SEA #23, 1962–1962

Open no.148 (white on black), 1970

GAULOISES ON SCARLET AND YELLOW #1`, 1972–1972

End page, 1971–1971

Fishes with Red Stripe, 1954–1954

SUMMERTIME In ITALY, 1967–1967

AT THE EDGE (B.315), 1984–1984

In black with yellow ochre, 1963–1963

Elegy, 1965–1965

Hartley in London, 1975

IN WHITE AND GREEN STRIPE

ULTRAMARINE WITH GAULOISE, 1972–1972

MADRID SUITE (PORTFOLIO (10) ), 1965–1966

Summer studio, 1977–1977