Louis Agassiz (American, 1807 – 1873)
Archibald Thorburn (Scottish, 1860-1935)
Joseph Wolf (German, 1820-1899)
Anonymous
Ferdinand von Wright (Finnish, 1822- 1906)
Albert Clark (English, 1821-1909)
Johann Friedrich Naumann (German, 1780 – 1857)
Henry Keller (American, 1869-1949)
Saverio Manetti (Italian, 1723 – 1785)
Otto Staudinger (German, 1830 – 1900)
Saverio Manetti (Italian, 1723 – 1785)
Marcus Elieser Bloch (German, 1723–1799)
Daniel Giraud Elliot (American, 1835 – 1915)
W. A . Blakston (English, 19th Century)
James Duncan (Canadian, 1806-1881)
George Shaw (English, 1751 – 1813)
John Gould (English, 1804-1881)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Frank Edward Clarke (New Zealander, 1849 – 1899)
John James Audubon (American, 1785-1851)
Aert Schouman (Dutch, 1710-1792)
Louis Agassiz (American, 1807 – 1873)
Friedrich Eckenfelder (German, 1861-1938)