(1994 - 1995)
etching and aquatint
(1977)
screenprint
(1983)
(1980)
(1981)
(1976)
(1978)
(1965)
lithograph
(1947)
line-engraving
(c.1948)
linocut
((1953))
colour monotype
(1953)
(1974)
electric hand engraver
woodcut
(1987)
(1986)
etching
(1975)