John Emms (English, 1843–1912)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Marcus Elieser Bloch (German, 1723–1799)
George Hudson (New Zealander, 1867 – 1946)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Jean-Baptiste Oudry (French, 1686-1755)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
John James Audubon (American, 1785-1851)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Paul Lemore (French, 1831-1915)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Otto Staudinger (German, 1830 – 1900)
John William Lewin (English, 1770-1819)
Marcus Elieser Bloch (German, 1723–1799)
Carl Fredrik Kiörboe (Swedish, 1799-1876)
Jean-Baptiste Pillement (French, 1728 - 1808)
John Gould (English, 1804-1881)
Charles Livingston Bull (American, 1874-1932)
John Gould (English, 1804-1881)
Friedrich Voltz (German, 1817-1886)
John Gould (English, 1804-1881)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Allan Brooks (Canadian, 1869 – 1946)
Moritz Müller (German, 1841 - 1899)
Léo-Paul Robert (Swiss, 1851 - 1923)