Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Alexander Koester (German, 1864-1932)
Rodolpho von Ihering (Brazilian, 1883-1939)
John Ferneley (English, 1782 - 1860)
René-Primevère Lesson (French, 1794 – 1849)
Jan Stobbaerts (Belgian, 1838 – 1914)
John Gould (English, 1804-1881)
Sydenham Edwards (English, 1768-1819)
Alfred Frédol (French, 1804-1863)
Charles Van Den Eycken (Belgian, 1859-1923)
Johann Caspar Fuessli (Swiss , 1743-1786)
John Gould (English, 1804-1881)
Joseph Wolf (German, 1820-1899)
Benjamin Herring (English, 1830-1871)
Augusta Innes Withers (English, 1793 - 1864)
Floris Verster (Dutch, 1861-1927)
Frederick DuCane Godman (English, 1834 – 1919)
Marcus Elieser Bloch (German, 1723–1799)
Jan van Essen (Flemish, 1854-1936)
Daniel Giraud Elliot (American, 1835 – 1915)
Louis Agassiz (American, 1807 – 1873)
Johann Friedrich Naumann (German, 1780 – 1857)