monotype
(1991)
offset-lithograph
(1973, 2 April)
screenprint
(2004)
(1995)
linocut
(1956)
(1998)
(1997, February)
etching
(1989)
lithograph
(1937)
(1990)
(1987)
(1965)
(1977)
sugarlift-aquatint
(1929)
(1988)
etching and aquatint