
Fritz Thomsen (Danish, 1819 - 1891)

Léon-Adolphe-Auguste Belly (French, 1827–1877)

Julie de Graag (Dutch, 1877–1924)

John Gould (English, 1804-1881)

Olive E Whitney (American, ca. 1861–1897)

John James Audubon (American, 1785-1851)

Charles Hamilton Smith (English, 1776-1859)

Louis Agassiz (American, 1807 – 1873)

Samuel Jessurun de Mesquita (Dutch, 1868 – 1944)

Philipp Franz Balthasar von Siebold (German, 1796 – 1866)

George Edward Lodge (English, 1860 – 1954)

Charles Hamilton Smith (English, 1776-1859)

Johann Friedrich Naumann (German, 1780 – 1857)

William Frederick Hulk (English, 1852-1922)

Friedrich Voltz (German, 1817-1886)

Allan Brooks (Canadian, 1869 – 1946)

John Edwards Holbrook (American, 1796 – 1871)

Louis Agassiz (American, 1807 – 1873)

Jozef Hanula (Slovak, 1863-1944)

Henry Seebohm (English, 1832 – 1895)

John Gould (English, 1804-1881)

Saverio Manetti (Italian, 1723 – 1785)

Bruno Liljefors (Swedish, 1860–1939)

John Gerrard Keulemans (Dutch, 1842-1912)

John James Audubon (American, 1785-1851)

Friedrich Voltz (German, 1817-1886)

Johann Caspar Fuessli (Swiss , 1743-1786)

John Gould (English, 1804-1881)