Rodolpho von Ihering (Brazilian, 1883-1939)
John Edwards Holbrook (American, 1796 – 1871)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Alpheus Spring Packard (American, 1839 – 1905)
Edward Julius Detmold (English, 1883-1957)
Antonín Frič (Czech, 1832 – 1913)
Saverio Manetti (Italian, 1723 – 1785)
Willem Carel Nakken (Dutch, 1835-1926)
John Hanson Walker Jr. (English, 1844-1933)
John Gould (English, 1804-1881)
Johann Friedrich Naumann (German, 1780 – 1857)
John Gould (English, 1804-1881)
John Macallan Swan (English, 1847-1910)
Jules Rothschild (French, 1838-1900)
John Frederick Herring Snr. (English, 1795 – 1865)
Louis Agassiz (American, 1807 – 1873)
John James Audubon (American, 1785-1851)
John Gould (English, 1804-1881)
Marcus Elieser Bloch (German, 1723–1799)
Hermanus de Wit (Dutch, 1764–1842)
Johann Friedrich Naumann (German, 1780 – 1857)
Jean-Baptiste Audebert (French, 1759-1800)
Jan Stobbaerts (Belgian, 1838 – 1914)
Marcus Elieser Bloch (German, 1723–1799)
Lorenz Oken (German, 1779 – 1851)
Mark Catesby (English, 1683 – 1749)
Heinrich Von Zügel (German, 1850 - 1941)
Louis Agassiz (American, 1807 – 1873)
Carl Kahler (Austrian, 1855–1906)
Edward Troye (American, 1808 - 1874)
Edmund Henry Osthaus (American, 1858–1928)
Geo Poggenbeek (Dutch, 1853-1903)
Wybrand Hendriks (Dutch, 1744-1831)
Frederick DuCane Godman (English, 1834 – 1919)
Christian Friedrich Gille (German, 1805-1899)
W. A . Blakston (English, 19th Century)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Bruno Liljefors (Swedish, 1860–1939)
Walter Hunt (English, 1861–1941)
Samuel Howitt (English, 1756-1822)
Josef Schmitzberger (German, 1851–after 1930)
Archibald Thorburn (Scottish, 1860-1935)
Jan Weenix (Dutch, 1641-1719)
John Frederick Herring Snr. (English, 1795 – 1865)
Johann Baptist Dallinger von Dalling the Younger (Austrian, 1782–1869)
Charles Hamilton Smith (English, 1776-1859)
Theodor Petter (Austrian, 1822-1872)
Joseph Wolf (German, 1820-1899)
Luigi Balugani (Italian, 1737-1770)
John Edwards Holbrook (American, 1796 – 1871)
Johann Friedrich Naumann (German, 1780 – 1857)
Daniel Giraud Elliot (American, 1835 – 1915)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Alfred Von Wierusz-Kowalski (Polish, 1849-1915)
Jacques Barraband (French, 1767 – 1809)
Paul-Andre Robert (Swiss, 1901-1977)
Charles Robert Knight (American, 1874-1953)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Johann Caspar Fuessli (Swiss , 1743-1786)