(1964)
softground etching
(1992, July)
etching and aquatint
(July 1992)
(1956-57)
woodcut
(1980)
etching
(c.1952)
lithograph
(1960-70)
(2004)
(1977)
screenprint
wood-engraving
(1979)
(1990)
linocut
(1969)
(1968)
(1994)
(1982)
(1986)
(1965)
(1975, August)
etchuing