Julius Adam the elder (German, 1826–1874)
John William Lewin (English, 1770-1819)
John James Audubon (American, 1785-1851)
Robert Ridgway (American, 1850 – 1929)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Wilhelm Kuhnert (German, 1865-1926)
Fritz Thomsen (Danish, 1819 - 1891)
Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)
Louis Agassiz (American, 1807 – 1873)
Otto Staudinger (German, 1830 – 1900)
Louis Agassiz (American, 1807 – 1873)
René-Primevère Lesson (French, 1794 – 1849)
Joris Hoefnagel (Flemish, 1542-1600)
Joseph Smit (Dutch, 1836 – 1929)
Paul-Andre Robert (Swiss, 1901-1977)
Ernest Meissonier (French, 1815-1891)
Henry Jones (English, 1838-1921)
Paul-Andre Robert (Swiss, 1901-1977)
Richard Ansdell (English, 1815 - 1885)
Johann Till the younger (Austrian, 1827-1894)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Victor Stoetzner-Lund (German, 1883–1947)
Nicolas Alexandrovitch Tarkhoff (Russian, 1871-1930)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Samuel Howitt (English, 1756-1822)