(1981)
etching
(1938)
wood-engraving
(1975)
screenprint
(1918)
letterpress
(c.1970)
(1986)
(1976)
offset-lithograph
(1934)
lithograph
(1928)
(1983)
hand-written letter
(1982)
(1971)
envelope
(1970, Feb-May)
(1970)