Henry Schouten (Belgian, 1857-1927)
Otto Bache (Danish, 1839–1927)
Otto Staudinger (German, 1830 – 1900)
Louis Agassiz (American, 1807 – 1873)
Wilhelm Busch (German, 1832-1908)
Lorenz Oken (German, 1779 – 1851)
Johann Friedrich Naumann (German, 1780 – 1857)
Adolf Mackeprang (Danish, 1833-1911)
René de Rabié (French, 1700-1785)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Carl Reichert (Austrian, 1836-1918)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Frederick DuCane Godman (English, 1834 – 1919)
John Obadiah Westwood (English, 1805 – 1893)
Charles Hamilton Smith (English, 1776-1859)
Anthonie van Borssom (Dutch, 1629-1677)
John William Lewin (English, 1770-1819)
John James Audubon (American, 1785-1851)
Alpheus Spring Packard (American, 1839 – 1905)
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Johann Friedrich Naumann (German, 1780 – 1857)
John James Audubon (American, 1785-1851)
George Hudson (New Zealander, 1867 – 1946)
Conradijn Cunaeus (Dutch, 1828-1895)
Jacob Cats (Dutch, 1741-1799)
John James Audubon (American, 1785-1851)
Willem van Leen (Dutch, 1753 – 1825)
William Frederick Hulk (English, 1852-1922)
Marcus Elieser Bloch (German, 1723–1799)
John Gould (English, 1804-1881)
Joseph Bartholomew Kidd (Scottish, 1808 - 1889)
Carl Bøgh (Danish, 1827-1892)
John James Audubon (American, 1785-1851)
Antoine-Louis Barye (French, 1796-1875)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Saverio Manetti (Italian, 1723 – 1785)
Joseph Smit (Dutch, 1836 – 1929)
Wilhelm Marstrand (Danish, 1810-1873)
Theo van Hoytema (Dutch, 1863-1917)