(c.1925)
engraving
(1933)
wood-engraving
(1949)
engraving and foul biting
(c.1963)
linocut
(1960)
woodcut
(1971)
etching
(January 1963)
lithograph worked in touche
(1988)
(1987)
screenprint
(2002)
etching and aquatint
(1997, April)
lithograph
(1954)
sugarlift
(1969)
offset-lithograph
(1991, November)
(1975)