(1930s)
etching
(1984)
photo-lithograph
(1996)
screenprint
(1968)
offset-lithograph
(1962)
linocut
(1924)
(1923)
(1922)
wood-engraving
(1937)
(c.1925)
(1978)
softground etching
(1977)
(1967)
lithograph
(1983)
(1966)
pencil drawing