
Johann Heinrich Sulzer (Swiss, 1735 – 1813)

James Duncan (Canadian, 1806-1881)

John James Audubon (American, 1785-1851)

Peter Hansen (Danish, 1868 – 1928)

Wouterus Verschuur (Dutch, 1812-1874)

John Gould (English, 1804-1881)

Moritz Müller (German, 1841 - 1899)

George Shaw (English, 1751 – 1813)

René de Rabié (French, 1700-1785)

Saverio Manetti (Italian, 1723 – 1785)

Julius Scheuerer (German, 1859-1913)

Johann Friedrich Naumann (German, 1780 – 1857)

Edwin L. Sheppard (American, ?-1904)

Theo van Hoytema (Dutch, 1863-1917)

Saverio Manetti (Italian, 1723 – 1785)

James Ward (English, 1769-1859)

Magnus Von Wright (Swedish, 1805 – 1868)

Gustav Prütz (German, 19th Century)

Daniel Giraud Elliot (American, 1835 – 1915)

John Gerrard Keulemans (Dutch, 1842-1912)

Daniel Giraud Elliot (American, 1835 – 1915)

Coenraad Jacob Temminck (Dutch, 1778-1858)

Jules Leroy (French, 1833–1865)

John Gould (English, 1804-1881)

Alfred Edmund Brehm (German, 1829-1884)

Louis Agassiz (American, 1807 – 1873)