(1960-70)
lithograph
(1964)
linocut
(1968)
woodcut
(1982)
(1992)
etching
(1983)
(c.1960)
wood-engraving
(1988)
(c.1910)
(c.1950)
engraved copper plate
(2010)
screenprint
(1976)
soft-ground etching
(c.1947)
(not dated)
(c.1895)
(c.1930s)
(c.1931)