(1936)
(1927)
drypoint
etching
(1957-58)
lithograph
(1981)
photo-etching
(1985)
etching and aquatint
(1947)
(1979)
offset-lithograph
(1974)
screenprint
(1977?)
(1999)
(1977-78?)
(1972)
open-bite etching and aquatint
(1998-2000)