John Walker (1939 – )

BARRIER 3 1969

John Walker (1939 – )

UNTITLED NO 1 1972

John Walker (1939 – )

UNTITLED NO 4 1973

John Walker (1939 – )

RED STRAND INFANTA II 1981

John Walker (1939 – )

HEADINGLEY SUITE NO.1 1969

John Walker (1939 – )

HEADINGLEY SUITE NO.2 1969

John Walker (1939 – )

HEADINGLEY SUITE NO.3 1969

John Walker (1939 – )

HEADINGLEY SUITE NO.4 1969

John Walker (1939 – )

HEADINGLEY SUITE NO.5 1969

John Walker (1939 – )

UNTITLED (BLUE/GREEN) 1970

John Walker (1939 – )

UNTITLED (AMBER/PINK) 1970

John Walker (1939 – )

FOR THE LAST OF THE OGALALA SIOUX 1972

John Walker (1939 – )