(1997, February)
etching
(1989)
lithograph
(1999)
screenprint
(by 1929)
pencil
(1924)
(1937)
(1990)
(1987)
(1994)
etching and aquatint
sugar-lift etching
(1965)
(1977)
sugarlift-aquatint
(by 1927)
(1937 (exhibited))
wood-engraving
(1929 (exhibited))
linocut
(1988)