(1976)
rubber stamps
(2001)
embossing (pressed aluminium); screenprint
((1955))
lithograph
(1972)
etching and engraving
(1937)
linocut
(1984)
etching
(1969)
woodcut
(1981)
photo-offset lithogaph
(1995)
(1970s)
(c.1930)
wood-engraving
(1973)
line etching
(1985)
(2002)
aquatint and open-bite