Lorenz Oken (German, 1779 – 1851)
Willem Carel Nakken (Dutch, 1835-1926)
Louis Agassiz (American, 1807 – 1873)
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Henriëtte Ronner-Knip (Dutch, 1821 – 1909)
James Duncan (Canadian, 1806-1881)
Louis-Isidore Duperrey (French, 1786 – 1865)
Robert Ridgway (American, 1850 – 1929)
John George Wood (English, 1827 – 1889)
Jakob Philipp Hackert (German, 1737–1807)
Walther Gamerith (Austrian, 1903-1949)
Louis Agassiz (American, 1807 – 1873)
Bruno Liljefors (Swedish, 1860–1939)
James Duncan (Canadian, 1806-1881)
Albert Pinkham Ryder (American, 1847 – 1917)
Theo van Hoytema (Dutch, 1863-1917)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Samuel Howitt (English, 1756-1822)
Joseph Smit (Dutch, 1836 – 1929)
H. Moore (English, 19th Century)
Friedrich August Matthias Gauermann (Austrian, 1807-1862)
John Woodhouse Audubon (American, 1812-1862)
John William Hill (American, 1812 - 1879)
Mark Catesby (English, 1683 – 1749)
Lorenz Oken (German, 1779 – 1851)