Louis Agassiz (American, 1807 – 1873)
John George Wood (English, 1827 – 1889)
Saverio Manetti (Italian, 1723 – 1785)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Fritz Thomsen (Danish, 1819 - 1891)
René-Primevère Lesson (French, 1794 – 1849)
John James Audubon (American, 1785-1851)
George Hudson (New Zealander, 1867 – 1946)
Louis Agassiz (American, 1807 – 1873)
Louis Agassiz (American, 1807 – 1873)
Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)
Jean-Baptiste Audebert (French, 1759-1800)
Johann Friedrich Naumann (German, 1780 – 1857)
John James Audubon (American, 1785-1851)
Louis-Isidore Duperrey (French, 1786 – 1865)
Gustav Prütz (German, 19th Century)
Frederick Hall (English, 1860 – 1948)
Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)
Alfred Frédol (French, 1804-1863)
Louis Agassiz (American, 1807 – 1873)
John Edwards Holbrook (American, 1796 – 1871)
Bruno Liljefors (Swedish, 1860–1939)
Emil Volkers (German, 1831-1905)
Otto Sommer (American, 1811–1911)
Allen & Ginter (American, 19th/20th Century)
James Sowerby (English, 1757 – 1822)
Joseph Smit (Dutch, 1836 – 1929)
Saverio Manetti (Italian, 1723 – 1785)