(1953)
lithograph
(1968)
etching
letterpress
(1897)
engravings
(c.2000)
off-set lithograph
(1976-82)
photo-etching
(1986)
(1984)
wood-engraving
collagraph
(1992, July)
screenprint
(1974)
(1990)
(1997)
(2000, October)