(1952)
lithograph
(2002)
digital inkjet print
(1978)
screenprint
(1983)
(1974)
offset-lithograph
(1979)
(1991)
linocut
(1988)
etching
(1981)
(1986)
(1989)
(1977)
(c.1985)
(c.2000)
off-set lithograph