(1969)
line-etching
(1999)
softground-etching
(1986)
photo-etching and aquatint
softground-etching and aquatint
etching and aquatint
(1973)
etching
(1966)
drypoint
(1988)
screenprint
(1995)
(1853)
pen-lithograph
(1984)
(1983)
(1980)
(2004)