By study
Da Loria Norman (American, 1872–1935)
Armand Point (French, 1861-1932)
Léon Frédéric (Belgian, 1856–1940)
Karl Wiener (Austrian, 1901-1949)
Owen Jones (English, 1809 - 1874)
Vladimir Baranov-Rossiné (Russian, 1888-1944)