(1991)
etching and open bite
(1919)
linocut
etching
screenprint
(1927)
etched copper plate
(1984)
etching and aquatint printed in colour
(1988)
(2002)
etching and aquatint
(1977)
(1973)
lithograph
(1980)
(2002, October)
((1974))
(1969)
offset-lithograph
(1979)
(2000)
embossing (pressed aluminium); screenprint
(1999)