(1965)
etching and aquatint
(1883)
wood-engraving
(1991)
linocut
(1955-56)
etching and drypoint
etching and rough biting
(1885)
lithograph
(1975)
(1982)
photocopy
(1960)
etching
(1978)
(1979)
(1998)
screenprint
(1882)