John Gould (English, 1804-1881)
Louis Agassiz (American, 1807 – 1873)
Johann Friedrich Naumann (German, 1780 – 1857)
Alexander Ver Huell (Dutch, 1822-1897)
Bruno Liljefors (Swedish, 1860–1939)
Gustav Prütz (German, 19th Century)
Frederick DuCane Godman (English, 1834 – 1919)
Alfred Malherbe (French, 1804 – 1865)
John Woodhouse Audubon (American, 1812-1862)
Marcus Elieser Bloch (German, 1723–1799)
Saverio Manetti (Italian, 1723 – 1785)
Joseph Wolf (German, 1820-1899)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Alexander Dmitrievich Chirkin (Russian, ?-1897)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Otto Staudinger (German, 1830 – 1900)
George Shaw (English, 1751 – 1813)
John James Audubon (American, 1785-1851)
Cornelius van Leemputten (Belgian, 1841–1902)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Joseph Wolf (German, 1820-1899)
John Gould (English, 1804-1881)
Archibald Thorburn (Scottish, 1860-1935)
Louis-Isidore Duperrey (French, 1786 – 1865)
Lorenz Oken (German, 1779 – 1851)