Emil Volkers (German, 1831-1905)
Frederick DuCane Godman (English, 1834 – 1919)
Antonín Frič (Czech, 1832 – 1913)
Johann Friedrich Naumann (German, 1780 – 1857)
John Gerrard Keulemans (Dutch, 1842-1912)
Gustav Prütz (German, 19th Century)
Louis Agassiz (American, 1807 – 1873)
Sydenham Edwards (English, 1768-1819)
Anonymous
Alpheus Spring Packard (American, 1839 – 1905)
W. A . Blakston (English, 19th Century)
John Gould (English, 1804-1881)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Anton Romako (Austrian, 1832-1889)
Pieter Pietersz. Barbiers (Dutch, 1749 - 1842)
Sir Andrew Smith (English, 1797-1872)
Allan Brooks (Canadian, 1869 – 1946)
Marcus Elieser Bloch (German, 1723–1799)
Frederick Stuart Church (American, 1842-1924)
George Hudson (New Zealander, 1867 – 1946)
Adriaen van de Velde (Dutch, 1636-1672)
Otto Staudinger (German, 1830 – 1900)
John Gould (English, 1804-1881)
George Hudson (New Zealander, 1867 – 1946)
James Duncan (Canadian, 1806-1881)
George Hudson (New Zealander, 1867 – 1946)
James Sowerby (English, 1757 – 1822)
Louis Agassiz (American, 1807 – 1873)
Ludwig Gustav Voltz (German, 1825-1911)
Joseph Wolf (German, 1820-1899)
Theo van Hoytema (Dutch, 1863-1917)
Carl Moser (Austrian, 1873 - 1939)
Otto Staudinger (German, 1830 – 1900)
Louis-Isidore Duperrey (French, 1786 – 1865)
Joseph Wolf (German, 1820-1899)
Alfred Malherbe (French, 1804 – 1865)
Edgar Hunt (English, 1876-1953)
Marcus Elieser Bloch (German, 1723–1799)
Johann Friedrich Naumann (German, 1780 – 1857)
Emma Beach Thayer (American, 1849-1924)
Louis Agassiz (American, 1807 – 1873)
Saverio Manetti (Italian, 1723 – 1785)
Alfred Malherbe (French, 1804 – 1865)
Léo-Paul Robert (Swiss, 1851 - 1923)
George Hudson (New Zealander, 1867 – 1946)
Joseph Wolf (German, 1820-1899)
Marcus Elieser Bloch (German, 1723–1799)
John Edwards Holbrook (American, 1796 – 1871)
Alfred Verwee (Belgian, 1838-1895)
Theo van Hoytema (Dutch, 1863-1917)
George Morland (English, 1763-1804)
Saverio Manetti (Italian, 1723 – 1785)
Bruno Liljefors (Swedish, 1860–1939)
John Woodhouse Audubon (American, 1812-1862)
John Gould (English, 1804-1881)
Mark Catesby (English, 1683 – 1749)
Heinrich Von Zügel (German, 1850 - 1941)
George Shaw (English, 1751 – 1813)
Louis-Isidore Duperrey (French, 1786 – 1865)
Johann Friedrich Naumann (German, 1780 – 1857)
Rosa Bonheur (French, 1822-1899)
Louis Agassiz Fuertes (American, 1874 – 1927)