Alfred Von Wierusz-Kowalski (Polish, 1849-1915)
Saverio Manetti (Italian, 1723 – 1785)
Tadeusz Makowski (Polish, 1882-1932)
Harrison Weir (English, 1824-1906)
John Gould (English, 1804-1881)
John Woodhouse Audubon (American, 1812-1862)
W. A . Blakston (English, 19th Century)
Louis-Isidore Duperrey (French, 1786 – 1865)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Hans Asper (Swiss, 1499 – 1571)
Paul-Andre Robert (Swiss, 1901-1977)
Saverio Manetti (Italian, 1723 – 1785)
Henrik Gronvold (Danish, 1858 – 1940)
Jean Zacherie Mazel (Dutch, 1792-1884)
Emil August Göldi (Swiss, 1859-1917)
Louis Agassiz (American, 1807 – 1873)
Mark Catesby (English, 1683 – 1749)
John Gould (English, 1804-1881)
Lorenz Oken (German, 1779 – 1851)
Charles Hamilton Smith (English, 1776-1859)
Friedrich Voltz (German, 1817-1886)
Adam Frans van der Meulen (Flemish, 1632 - 1690)
Saverio Manetti (Italian, 1723 – 1785)
Hugo Baar (Austrian, 1873-1912)
Aelbert Cuyp (Dutch, 1620-1691)
Vincenzo Gemito (Italian, 1852-1929)
John Edwards Holbrook (American, 1796 – 1871)
John Guille Millais (English, 1865 – 1931)