(c.1927)
etching
(1835)
engraving
(1945)
(2003)
lithograph
(1999)
mezzotint
(1977)
screenprint
engraved lino block
(1987)
photocopy
(2000)
digital print
(2000 - 2002)
gouache
(c1990)
offset-lithograph
(1990)