Heinrich Von Zügel (German, 1850 - 1941)
Johann Friedrich Wilhelm Herbst (German, 1743-1807)
Saverio Manetti (Italian, 1723 – 1785)
John Gould (English, 1804-1881)
Pieter Pietersz. Barbiers (Dutch, 1749 - 1842)
Mark Catesby (English, 1683 – 1749)
Eero Järnefelt (Finnish, 1863 - 1937)
Ferdinand von Wright (Finnish, 1822- 1906)
John James Audubon (American, 1785-1851)
Johann Caspar Fuessli (Swiss , 1743-1786)
Marcus Elieser Bloch (German, 1723–1799)
Charles Hamilton Smith (English, 1776-1859)
Archibald Thorburn (Scottish, 1860-1935)
W. A . Blakston (English, 19th Century)
Louis Agassiz (American, 1807 – 1873)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Wilhelm Kuhnert (German, 1865-1926)
Lorenz Oken (German, 1779 – 1851)
Frederick McCoy (Irish, 1817-1899)
Theo van Hoytema (Dutch, 1863-1917)
René de Rabié (French, 1700-1785)
Léo-Paul Robert (Swiss, 1851 - 1923)
Frederick DuCane Godman (English, 1834 – 1919)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Piotr Michałowski (Polish, 1800-1855)