(1972)
photo-etching and aquatint
(1964)
drypoint
(1991)
aquatint
(, January)
photo-etching and line-engraving
(1985)
linocut
photo-etching and line-etching
(1992)
etching
(1962-63)
(1954)
transfer print; watercolour addition (recto)
(1988)
(1999)
sugar-lift etching