Léo-Paul Robert (Swiss, 1851 - 1923)
Daniel Giraud Elliot (American, 1835 – 1915)
Robert Ridgway (American, 1850 – 1929)
Jacques Barraband (French, 1767 – 1809)
Jacques Barraband (French, 1767 – 1809)
Sheikh Zain al-Din (Indian, 18th century)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Daniel Giraud Elliot (American, 1835 – 1915)
Alfred Malherbe (French, 1804 – 1865)
John Gould (English, 1804-1881)
Anonymous
John Gould (English, 1804-1881)
Léo-Paul Robert (Swiss, 1851 - 1923)
Daniel Giraud Elliot (American, 1835 – 1915)
Louis Agassiz Fuertes (American, 1874 – 1927)
Pieter Withoos (Dutch, 1654–1693)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Jacques Barraband (French, 1767 – 1809)
W. A . Blakston (English, 19th Century)
Henry Bright (English, 1810-1873)
Emil August Göldi (Swiss, 1859-1917)
Adriaen Pietersz. Van De Venne (Dutch, 1589-1662)
Daniel Giraud Elliot (American, 1835 – 1915)
Joseph Wolf (German, 1820-1899)
Johann Friedrich Naumann (German, 1780 – 1857)
Coenraad Jacob Temminck (Dutch, 1778-1858)
John Gould (English, 1804-1881)