(1981)
lithograph
(1992)
etching
(c.1976)
photo-lithograph
(2001)
computer generated inkjet prints
(1995)
lineblocks
(1957)
(1979)
screenprint
(September 1968)
(1977)
(1974)
(c.1942)
(1952)
(1978)
(1983)