Ferdinand von Wright (Finnish, 1822- 1906)
John James Audubon (American, 1785-1851)
Amedeo John Engel Terzi (Italian, 1872-1956)
Herman Henstenburgh (Dutch, 1667-1726)
Louis Agassiz (American, 1807 – 1873)
John Gerrard Keulemans (Dutch, 1842-1912)
Heinrich Von Zügel (German, 1850 - 1941)
Henry Keller (American, 1869-1949)
Christiaan van Geelen (Dutch, 1794-1826)
Saverio Manetti (Italian, 1723 – 1785)
Michał Elwiro Andriolli (Polish, 1836-1893)
Marcus Elieser Bloch (German, 1723–1799)
Hans von Hayek (Austrian, 1869–1940)
Sawrey Gilpin (English, 1733–1807)
August Pollak (Austrian, 1838-?)
Daniel Giraud Elliot (American, 1835 – 1915)
Barret And Sons (English, 19th Century)
Johann Friedrich Naumann (German, 1780 – 1857)
Johann Friedrich Naumann (German, 1780 – 1857)
John Gould (English, 1804-1881)
Antonín Frič (Czech, 1832 – 1913)
Jacques-Raymond Brascassat (French, 1804–1867)
Louis Wain (English, 1860-1939)
René-Primevère Lesson (French, 1794 – 1849)
Otto Staudinger (German, 1830 – 1900)
John James Audubon (American, 1785-1851)
Fritz Lange (German, 1877-1961)
Alpheus Spring Packard (American, 1839 – 1905)
Louis-Isidore Duperrey (French, 1786 – 1865)
John William Lewin (English, 1770-1819)
Théodore Géricault (French, 1791-1824)
David Gauld (Scottish, 1866 - 1936)
Allan Brooks (Canadian, 1869 – 1946)
Gustav Mützel (German, 1839 – 1893)
James Sowerby (English, 1757 – 1822)
Jacques Barraband (French, 1767 – 1809)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Johann Friedrich Naumann (German, 1780 – 1857)
Lorenz Oken (German, 1779 – 1851)
John Gould (English, 1804-1881)
Henriëtte Ronner-Knip (Dutch, 1821 – 1909)
Frank Edward Clarke (New Zealander, 1849 – 1899)
George Hudson (New Zealander, 1867 – 1946)
Carl Rudolf Huber (Austrian, 1839-1896)
Johann Nepomuk Rauch (Austrian, 1804-1847)