(1996)
screenprint
(1969)
line-etching
(1999)
softground-etching
(1986)
photo-etching and aquatint
softground-etching and aquatint
etching and aquatint
(1966)
drypoint
(1853)
pen-lithograph
(1984)
(1983)
(1980)
(2004)
(1988-93)
(c.1985)
off-set lithograph
(2007)
etching
(1987)
(1882)
(1965)