(1978)
screenprint
((1931-38))
etching
(1954)
linocut
(1989)
lithograph
(1985)
etching and aquatint
(1992)
(1999, May)
(27 October1998)
(1998)
(2003)
(1966)
(1977)
offset lithograph
(2001)
drypoint
stencil
(1999)
sugar-lift etching