John Gould (English, 1804-1881)
Anton Braith (German, 1836 - 1905)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Jean Bernard (Dutch, 1775-1833)
Robert Ridgway (American, 1850 – 1929)
Daniel Giraud Elliot (American, 1835 – 1915)
Jacques Barraband (French, 1767 – 1809)
Léon Huber (French, 1858-1928)
John James Audubon (American, 1785-1851)
Otto Staudinger (German, 1830 – 1900)
John Gould (English, 1804-1881)
Wilhelm Kuhnert (German, 1865-1926)
Jacques Barraband (French, 1767 – 1809)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Lorenz Oken (German, 1779 – 1851)
Samuel Howitt (English, 1756-1822)
Frederick DuCane Godman (English, 1834 – 1919)
James Duncan (Canadian, 1806-1881)
Sigrid Granfelt (Finnish, 1868–1942)
Aelbert Cuyp (Dutch, 1620-1691)
Johann Friedrich Naumann (German, 1780 – 1857)
Louis Agassiz Fuertes (American, 1874 – 1927)
Saverio Manetti (Italian, 1723 – 1785)
Jacques-Raymond Brascassat (French, 1804–1867)
Gabriel von Max (Austrian, 1840 – 1915)
René-Primevère Lesson (French, 1794 – 1849)
John James Audubon (American, 1785-1851)
Saverio Manetti (Italian, 1723 – 1785)