(1985)
screenprint
(1956)
(1998)
linocut
(by 1975)
photo-screenprint
(1997, February)
etching
(1989)
lithograph
(1999)
(by 1929)
pencil
(1924)
(1937)
(1990)
(1987)
(1994)
etching and aquatint
sugar-lift etching
(1965)
(1977)
sugarlift-aquatint