(1950)
linocut
(1985)
etching and aquatint
(1994)
screenprint
(2005)
(1924)
wood-engraving
(1960)
lithograph
(1993)
(1989)
(1988)
screenprint and offset-lithograph
(c.1943)
(1968)
etching
(1982)
photocopy