(1978)
soft ground
(1800)
engraving
(1975)
etching
(1996, September)
drypoint and etching
etching (lithographic crayon resist)
(1993)
lithograph
((1955))
(1979)
etching and aquatint
(1983)
screenprint
(1983, before 14 December)
(1984)
(1994, October-November)
linocut
(1962)
(1999, May)
(2008)
(1976)
drypoint