(c.1922)
etching
(1930s)
linocut
((1968-69))
etching and drypoint
(1956-57)
woodcut
(1996)
screenprint
(1934)
(1966)
(1992)
(1990)
(2000)
lithographs
(1964)
monotype
(2005)
photographic digital print
(1959)
(2001)