Bernard Willem Wierink (Dutch, 1856 - 1939)
Ferdinand von Wright (Finnish, 1822- 1906)
René-Primevère Lesson (French, 1794 – 1849)
Karl Huck (Austrian, 1876-1926)
Carl Friedrich Deiker (German, 1836 - 1892)
Saverio Manetti (Italian, 1723 – 1785)
John L. Petrie (American, 19th Century)
John James Audubon (American, 1785-1851)
Pieter Gevers (Dutch, 18th Century)
John Gould (English, 1804-1881)
Wilhelm Kuhnert (German, 1865-1926)
René-Primevère Lesson (French, 1794 – 1849)
Daniel Giraud Elliot (American, 1835 – 1915)
Luigi Balugani (Italian, 1737-1770)
W. A . Blakston (English, 19th Century)
George Edward Lodge (English, 1860 – 1954)
Paul-Andre Robert (Swiss, 1901-1977)
Carl Schweninger, Jr (German, 1854 - 1903)
Henry Noel Humphreys (English, 1807–1879)
René-Primevère Lesson (French, 1794 – 1849)
Alexander Lawson (American, 1773 - 1846)