Robert Ridgway (American, 1850 – 1929)
Jan Ciągliński (Polish, 1858 - 1913)
John Edwards Holbrook (American, 1796 – 1871)
Frederick DuCane Godman (English, 1834 – 1919)
John James Audubon (American, 1785-1851)
Johann Caspar Fuessli (Swiss , 1743-1786)
Circle of Frans Francken the Younger (Flemish, 1581-1642)
Allen & Ginter (American, 19th/20th Century)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Jacques-Raymond Brascassat (French, 1804–1867)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
George Shaw (English, 1751 – 1813)
Johann Nepomuk Rauch (Austrian, 1804-1847)
Charles Hamilton Smith (English, 1776-1859)
Louis Agassiz (American, 1807 – 1873)
George Hudson (New Zealander, 1867 – 1946)
George Edward Lodge (English, 1860 – 1954)
Henry Stull (American, 1851-1913)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)
Charles Hamilton Smith (English, 1776-1859)
John Edwards Holbrook (American, 1796 – 1871)
Thomas J. Scott (American, ?-1888)
Saverio Manetti (Italian, 1723 – 1785)
Heinrich Von Zügel (German, 1850 - 1941)
Gustav Prütz (German, 19th Century)
Scott Leighton (American, 1847-1898)
Alfred Malherbe (French, 1804 – 1865)