John Gould (English, 1804-1881)
Emil August Göldi (Swiss, 1859-1917)
Johann Friedrich Naumann (German, 1780 – 1857)
David Klöcker Ehrenstrahl (Swedish, 1628 – 1698)
Joseph Wolf (German, 1820-1899)
Louis Agassiz (American, 1807 – 1873)
Alfred Frédol (French, 1804-1863)
Saverio Manetti (Italian, 1723 – 1785)
Charles Demuth (American, 1883-1935)
John Wootton (English, 1686–1765)
Rosa Bonheur (French, 1822-1899)
Léo-Paul Robert (Swiss, 1851 - 1923)
John James Audubon (American, 1785-1851)
Harrison Weir (English, 1824-1906)
Louis Agassiz (American, 1807 – 1873)
William Swainson (English, 1789 – 1855)
Léo-Paul Robert (Swiss, 1851 - 1923)
Sir Andrew Smith (English, 1797-1872)
Daniel Giraud Elliot (American, 1835 – 1915)
Carl Friedrich Deiker (German, 1836 - 1892)
John James Audubon (American, 1785-1851)
Giovanni Agostino Cassana (Italian, c.1658-1720)
Anonymous