(1940)
colour monotype
(1983)
open biting
lithograph
(1992)
etching
(1990)
(1999)
monotype
(1998, September)
(1986)
woodcut
(1989)
(2010)
(1969)
etching and aquatint
(1991)
(1940s)
(1998, July)
etching and sugar-lift aquatint
(1981)
(by 1974)
screenprint
(1998, October)