(1999)
softground-etching
(1986)
photo-etching and aquatint
softground-etching and aquatint
etching and aquatint
(1968?)
screenprint
(1975)
photo-etching
(1958)
linocut
(1981)
(1966)
lithograph
(1970)
(about 1975)
(2001)
(c.1960s - 1970s)
(1983)
(1977)
(1978)
(c.1955)