Louis Agassiz (American, 1807 – 1873)
David Klöcker Ehrenstrahl (Swedish, 1628 – 1698)
Alexander Koester (German, 1864-1932)
Frederick DuCane Godman (English, 1834 – 1919)
Pieter Pietersz. Barbiers (Dutch, 1749 - 1842)
Alexander Koester (German, 1864-1932)
John James Audubon (American, 1785-1851)
Odilon Redon (French, 1840-1916)
Thomas Weaver (English, 1775-1844)
John Edwards Holbrook (American, 1796 – 1871)
Carl Pischinger (Austrian, 1823–1886)
Georg Berger (German, 1862-1942)
James Duncan (Canadian, 1806-1881)
Emile-Allain Séguy (French, 1877-1951)
Philip Henry Gosse (English, 1810 – 1888)
Thomas Bigelow Craig (American, 1849-1924)
John Gould (English, 1804-1881)
Otto Staudinger (German, 1830 – 1900)
Otto Staudinger (German, 1830 – 1900)
Albert Bierstadt (American, 1830-1902)
Carl Friedrich Deiker (German, 1836 - 1892)
Frederick DuCane Godman (English, 1834 – 1919)
Johann Friedrich Naumann (German, 1780 – 1857)
Alfred Frédol (French, 1804-1863)
Charles Hamilton Smith (English, 1776-1859)
Louis Agassiz (American, 1807 – 1873)
Emil Volkers (German, 1831-1905)