(1940s)
lithograph
(1977)
hardground etching
(1968)
screenprint
(2009)
carborundum
(1989)
hardground-etching and aquatint
hard ground
(1984)
(1965)
(1998)
engraving
(c.1967)
etching
etching and aquatint
(1987)
(1960-70)
aquatint