(2004)
etching and aquatint
(1996)
lithograph
(1967)
etching
((1978))
(2000, November)
stencil
(1975)
(1920-40)
(1995, August)
(1979-1983)
photo-etching
(1992)
screenprint
(1983)
drypoint
((1967))
(1955)
linocut
(1940)
colour monotype
(1969)
(1988, June)
(1981)