(1965-66)
etching
(1973)
etching embossing
photo-screenprint and embossing
(1935)
(1800)
engraving
woodcut
(1985)
etching and aquatint
(1986)
softground-etching
(1955-56)
(1970)
((1970))
(1965)
drypoint
(1914)