(c.1960)
etching
(1925)
drypoint
(c.1930)
linocut
(1942)
(1956)
soft-ground etching and aquatint
(1930)
(1977)
screenprint
(1777)
engraving
(1924)
wood-engraving
(1923)
(1989)
lithograph
(1951)
(c.1951)
etching and aquatint
(2002)
(2003)
screenprints