(1967)
photocopy sheet
(1972)
etching and deep-etching
(1988-93)
screenprint
((1965))
etching printed in black and orange from two plates
(1947-49)
lithograph
etching
(1962)
linocut
(1907)
etching and aquatint
(1918-09)
aquatint and etching
(c.1985)
off-set lithograph