etching and softground-etching
(1993)
etching
(1925)
(1970)
screenprint
(1853)
pen-lithograph
(1924)
(1977)
linocut
(by 1929)
woodcut
(1995)
(1847)
(1937)
(1930, August)
(2000)
lithographs
(1989)
hard ground