(1791)
etching and engraving
(1784)
engraving
(1935 (dated))
etching
(1890s)
(by 1929)
aquatint
(1825)
(1843)
lithograph
(1927-1935)
screenprint
(c.1928)
linocut
(c.1910)
etching and drypoint
(1924)
wood-engraving
(1979-1983)
photo-etching