Louis Agassiz (American, 1807 – 1873)
Nils Kreuger (Swedish, 1858 - 1930)
Johann Friedrich Naumann (German, 1780 – 1857)
Edwin L. Sheppard (American, ?-1904)
Wilhelm Kuhnert (German, 1865-1926)
Jan Brandes (Dutch, 1743-1808)
George Shaw (English, 1751 – 1813)
Moritz Müller (German, 1841 - 1899)
Theodor Philipsen (Danish, 1840-1920)
Louis Agassiz (American, 1807 – 1873)
W. A . Blakston (English, 19th Century)
Johann Friedrich Naumann (German, 1780 – 1857)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
John James Audubon (American, 1785-1851)
Frederick DuCane Godman (English, 1834 – 1919)
Arthus Bertrand (French, 19th Century)
Louis Agassiz (American, 1807 – 1873)
Pierre Jacques Smit (Dutch, 1863-1960)
Edwin Megargee (American, 1883-1958)
John Gerrard Keulemans (Dutch, 1842-1912)
Horatio Henry Couldery (English, 1832–1918)
Emil Volkers (German, 1831-1905)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Johanna Fosie (Danish, 1726 – 1764)
Theo van Hoytema (Dutch, 1863-1917)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Mark Catesby (English, 1683 – 1749)
Charles Hamilton Smith (English, 1776-1859)
Archibald Thorburn (Scottish, 1860-1935)
John Gould (English, 1804-1881)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Frederick DuCane Godman (English, 1834 – 1919)
Abraham Meertens (Dutch, 1747-1823)
Johann Friedrich Naumann (German, 1780 – 1857)
Louis Agassiz (American, 1807 – 1873)
Saverio Manetti (Italian, 1723 – 1785)
Archibald Thorburn (Scottish, 1860-1935)