((1955))
etching
(1936)
(1993)
(1925)
wood-engraving
(c.1926)
drypoint
(1980)
lithograph
(1990)
(c.1935)
etching printed in blue with plate-tone
(1980-84)
(1954-66)
(1994-1999)
woodcut
(c.1925)
(1924)
(1992, April)
(1972)
offset-lithograph
(1997, May)