Henry Seebohm (English, 1832 – 1895)
Josef Wawra (Austrian, 1893-1935)
Coenraad Jacob Temminck (Dutch, 1778-1858)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)
Carl Friedrich Deiker (German, 1836 - 1892)
Geza Vastagh (Hungarian, 1866-1919)
Marcus Elieser Bloch (German, 1723–1799)
Samuel Howitt (English, 1756-1822)
Charles Livingston Bull (American, 1874-1932)
Johann Friedrich Naumann (German, 1780 – 1857)
Louis Agassiz (American, 1807 – 1873)
John James Audubon (American, 1785-1851)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Paul-Andre Robert (Swiss, 1901-1977)
Christian Friedrich Mali (German, 1832-1906)
Louis Agassiz (American, 1807 – 1873)
Michael Neder (German, 1807-1882)
John Emms (English, 1843–1912)
Frederick DuCane Godman (English, 1834 – 1919)
Henry Seebohm (English, 1832 – 1895)
Allan Brooks (Canadian, 1869 – 1946)
Piotr Michałowski (Polish, 1800-1855)
Peter Rindisbacher (American, 1806–1834)
Joseph Wolf (German, 1820-1899)
Jan Stobbaerts (Belgian, 1838 – 1914)
Franz Xaver Birkinger (Austrian, 1822 - 1906)