(1992)
etching and aquatint
(1997)
photocopy
(1921)
monotype
(1969)
line-etching
(1999)
softground-etching
(1986)
photo-etching and aquatint
softground-etching and aquatint
(1968?)
screenprint
(1975)
photo-etching
(1958)
linocut
(1981)
(1970)
lithograph
(1966)
(about 1975)
(2001)
(c.1960s - 1970s)