Adolf Nowey (Austrian, 1835-ca.1907)
Agnes Lunn (Danish, 1850 - 1941)
Henri Rousseau (French, 1844-1910)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Lorenz Oken (German, 1779 – 1851)
Emil Volkers (German, 1831-1905)
Louis Agassiz (American, 1807 – 1873)
John James Audubon (American, 1785-1851)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
James Sowerby (English, 1757 – 1822)
Moritz Müller (German, 1841 - 1899)
Edwin L. Sheppard (American, ?-1904)
John Edwards Holbrook (American, 1796 – 1871)
Johann Friedrich Naumann (German, 1780 – 1857)
John James Audubon (American, 1785-1851)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Louis Agassiz (American, 1807 – 1873)
Emil Volkers (German, 1831-1905)
Prague School (Italian, 15th century)
Joseph Wolf (German, 1820-1899)
Heinrich Carl Küster (German, 1807 – 1876)
Pedro Figari (Uruguayan, 1861–1938)
Saverio Manetti (Italian, 1723 – 1785)
Daniel Giraud Elliot (American, 1835 – 1915)
Louis Agassiz (American, 1807 – 1873)