Max Klinger (German, 1857-1920)
Dan Sayre Groesbeck (American, 1878 - 1950)
Albert Ilg (Austrian, 1847-1896)
Nikolay Samokish (Russian, 1860-1944)
Friedrich Maximilian Hessemer (German, 1800 – 1860)
Jean-Louis Boussingault (French, 1883-1943)
Gray Litho. Co (American, 19th/20th Century)
Joris Hoefnagel (Flemish, 1542-1600)
Walter H. Gallaway (American, 1870-1911)
Anton Seder (Austrian, 1850-1916)
Will R. Barnes (American, ?-1939)
George Walker (English, 1781–1856)
Ernst Haeckel (German, 1834-1919)
Leonetto Cappiello (Italian, 1875-1942)
Albert Ilg (Austrian, 1847-1896)
Anonymous
Thomas Theodor Heine (German, 1867-1948 )
Wilhelm Diebener (German, ? - 1922)
Will R. Barnes (American, ?-1939)
Pipein Gamba (Italian, 1868-1954)
Mihály Zichy (Hungarian, 1827-1906)
Gust van de Wall Perné (Dutch, 1877-1911)
Padraic Colum (Irish, 1881 – 1972)