William Saville-Kent (English, 1845 – 1908)
Carl Friedrich Deiker (German, 1836 - 1892)
John Gould (English, 1804-1881)
Emile-Allain Séguy (French, 1877-1951)
John James Audubon (American, 1785-1851)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Wilhelm Kuhnert (German, 1865-1926)
Louis-Isidore Duperrey (French, 1786 – 1865)
Franz Xaver von Pausinger (Austrian, 1839 – 1915)
Anonymous
John Edwards Holbrook (American, 1796 – 1871)
Friedrich August Matthias Gauermann (Austrian, 1807-1862)
Friedrich Voltz (German, 1817-1886)
Alfred Frédol (French, 1804-1863)
Philip Henry Gosse (English, 1810 – 1888)
John George Wood (English, 1827 – 1889)
Paul-Andre Robert (Swiss, 1901-1977)
Louis Agassiz (American, 1807 – 1873)
Rodolpho von Ihering (Brazilian, 1883-1939)
Charles Verlat (Belgian, 1824-1890)
Saverio Manetti (Italian, 1723 – 1785)
Frederick McCoy (Irish, 1817-1899)
Louis Agassiz (American, 1807 – 1873)
Émile van Marcke (French, 1827-1890)
George Edward Lodge (English, 1860 – 1954)
Joseph Smit (Dutch, 1836 – 1929)
Moritz Müller (German, 1841 - 1899)