Robert Ridgway (American, 1850 – 1929)
Daniel Giraud Elliot (American, 1835 – 1915)
Johann Friedrich Naumann (German, 1780 – 1857)
John Gould (English, 1804-1881)
Johann Friedrich Naumann (German, 1780 – 1857)
George Shaw (English, 1751 – 1813)
Johann Friedrich Naumann (German, 1780 – 1857)
Johann Friedrich Naumann (German, 1780 – 1857)
Emil August Göldi (Swiss, 1859-1917)
Johann Friedrich Naumann (German, 1780 – 1857)
Léo-Paul Robert (Swiss, 1851 - 1923)
George Shaw (English, 1751 – 1813)
Aert Schouman (Dutch, 1710-1792)
Emil August Göldi (Swiss, 1859-1917)
Niels Skovgaard (Danish, 1858 – 1938)
Daniel Giraud Elliot (American, 1835 – 1915)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Daniel Giraud Elliot (American, 1835 – 1915)
Jacques Barraband (French, 1767 – 1809)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Alfred Malherbe (French, 1804 – 1865)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Daniel Giraud Elliot (American, 1835 – 1915)
Daniel Giraud Elliot (American, 1835 – 1915)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Johann Friedrich Naumann (German, 1780 – 1857)
W. A . Blakston (English, 19th Century)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Emil August Göldi (Swiss, 1859-1917)
John Gould (English, 1804-1881)