
John Obadiah Westwood (English, 1805 – 1893)

Harald R Hall (English, 1866-1902)

Anonymous

Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)

Saverio Manetti (Italian, 1723 – 1785)

Geza Vastagh (Hungarian, 1866-1919)

Emil Volkers (German, 1831-1905)

Alfred Malherbe (French, 1804 – 1865)

Sir Andrew Smith (English, 1797-1872)

Louis Agassiz (American, 1807 – 1873)

Henry Seebohm (English, 1832 – 1895)

Louis Agassiz (American, 1807 – 1873)

John James Audubon (American, 1785-1851)

Henry Seebohm (English, 1832 – 1895)

Frank Edward Clarke (New Zealander, 1849 – 1899)

John Gould (English, 1804-1881)

Frederick DuCane Godman (English, 1834 – 1919)

Johann Friedrich Naumann (German, 1780 – 1857)

Michał Boym (Polish, 1612 – 1659)

Charles Hamilton Smith (English, 1776-1859)

Johann Caspar Fuessli (Swiss , 1743-1786)

Wilhelm Kuhnert (German, 1865-1926)

Gustav von Hayek (Austrian, 1836-1911)

P. C. Skovgaard (Danish, 1817 – 1875)

Theo van Hoytema (Dutch, 1863-1917)

Sawrey Gilpin (English, 1733–1807)

Sir Andrew Smith (English, 1797-1872)

Samuel Howitt (English, 1756-1822)