(1927–1988) American | French | Organisation
Paris 1927-1940 and 1950-1980; New York 1940- 1955.
Print workshop
(1948)
etching
(1949)
etching and aquatint
(1947)
engraving
(c.1950)
(1951)
(1957)
etching and drypoint
etching and softground-etching
(1967)
photo-etching
line-engraving