John Gould (English, 1804-1881)
Louis Agassiz (American, 1807 – 1873)
Willem Maris (Dutch, 1844 - 1910)
Henriëtte Ronner-Knip (Dutch, 1821 – 1909)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Lorenz Oken (German, 1779 – 1851)
Louis Agassiz (American, 1807 – 1873)
Johann Friedrich Naumann (German, 1780 – 1857)
Saverio Manetti (Italian, 1723 – 1785)
Frederick DuCane Godman (English, 1834 – 1919)
Marcus Elieser Bloch (German, 1723–1799)
Theo van Hoytema (Dutch, 1863-1917)
Alfred De Dreux (French, 1810-1860)
Saverio Manetti (Italian, 1723 – 1785)
John Gould (English, 1804-1881)
Sir Andrew Smith (English, 1797-1872)
Anonymous
Niels Skovgaard (Danish, 1858 – 1938)
John Gould (English, 1804-1881)
Jan Ciągliński (Polish, 1858 - 1913)
Charles Hamilton Smith (English, 1776-1859)
Louis Agassiz (American, 1807 – 1873)
Frederick DuCane Godman (English, 1834 – 1919)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
René de Rabié (French, 1700-1785)
Edward Lear (English, 1812-1888)
Johann Matthias Ranftl (Austrian, 1804-1854)
Marcus Elieser Bloch (German, 1723–1799)
Daniel Giraud Elliot (American, 1835 – 1915)
John Gould (English, 1804-1881)
John James Audubon (American, 1785-1851)
Joseph Wolf (German, 1820-1899)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Carl Reichert (Austrian, 1836-1918)
Philip Henry Gosse (English, 1810 – 1888)
Saverio Manetti (Italian, 1723 – 1785)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Frederick DuCane Godman (English, 1834 – 1919)
John Gould (English, 1804-1881)
Friedrich Voltz (German, 1817-1886)
Saverio Manetti (Italian, 1723 – 1785)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Arthur-Alfred Brunel de Neuville (French, 1852-1941)
George Hudson (New Zealander, 1867 – 1946)
Saverio Manetti (Italian, 1723 – 1785)
Ferdinand von Wright (Finnish, 1822- 1906)
Johannes Lingelbach (German, 1622-1674)
Louis-Eugène Lambert (French, 1825-1900)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Louis-Isidore Duperrey (French, 1786 – 1865)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Theo van Hoytema (Dutch, 1863-1917)
Anton Weinberger (German, 1843-1912)
Jacques-Raymond Brascassat (French, 1804–1867)
Jean-Léon Gérôme (French, 1824-1904)
August Schleich (German, 1814-1865)