(1979)
etching and aquatint
(c.1930)
engraving
etching
(by 1928)
(c.1920)
(c.1921)
drypoint
(1999)
linocut
(1954)
lithograph
(1918)
(1960)
(1984, April)
photo-etching and aquatint
(2001, July)
(1956)
(1952)
(1932)
(1970)
(1982)
screenprint