(by 1975)
woodcut
(1989-90)
etching
(1988)
wood-engraving
(1921)
(1938)
drypoint
(1994)
lithograph
(c.1922)
etching and drypoint
(1927)
(1964)
monotype
(2009)
linocut
burin
steel shaft (broken point)
(1930s)