(1977, September-November)
photo-etching
(1967)
etching
(1995, September)
linocut
etchings
(1966)
photo-lithograph
(1965)
etching and aquatint
(1934)
woodcut
(1979)
screenprint
(1982)
photo-etched linocut
(2000)
folded coloured paper
(1975)
rubbers stamps
rubber stamps
(1932)
lithograph
(1988)
(1970)
(1964)
(1936 (exhibited))
sandgrain-aquatint