(1950)
lithograph
(1925)
woodcut
(1981-82)
computer print
(1981)
computer-print
(1977)
(1983)
photocopy
dot matrix print
(1989)
etching
(1992)
screenprints
(1996, August - September)
etching and aquatint
(1920)
drypoint
(1982 (dated))
(1932)
linocut
(1998)