(1972)
screenprint
(1981)
(1998, July)
linocut
(1970)
(1980)
photo-etching
(1937)
wood-engraving
(1986)
etching and aquatint
(1969)
(1984)
lithograph
(1847)
pen-lithograph
(1973)
offset- lithograph
(1990)