(1989)
etching
(2006)
lithograph
(1966)
screenprint
(2005)
drypoint
(1997)
linocut
(1967)
(June 1963)
relief-etching
(1965)
(1973)
etching and aquatint
softground-etching and aquatint
(2004)
stencil
((1977))