(1966)
lithograph
(about 1975)
screenprint
(2001)
(1981)
(c.1960s - 1970s)
linocut
(1983)
(1977)
(1978)
(c.1955)
(1990)
offset-lithograph
soft ground
(1800)
engraving
(1975)
etching
(1989)
wood-engraving
(1996, September)
drypoint and etching
etching (lithographic crayon resist)
(1993)