John James Audubon (American, 1785-1851)
Thomas Barbour (American, 1884 – 1946)
George Hudson (New Zealander, 1867 – 1946)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Marcus Elieser Bloch (German, 1723–1799)
Anonymous
Johann Friedrich Naumann (German, 1780 – 1857)
Samuel Howitt (English, 1756-1822)
John James Audubon (American, 1785-1851)
Alfred Frédol (French, 1804-1863)
Emile-Allain Séguy (French, 1877-1951)
Paulus Potter (Dutch, 1625-1654)
Louis Agassiz (American, 1807 – 1873)
Saverio Manetti (Italian, 1723 – 1785)
John James Audubon (American, 1785-1851)
Alexander Francis Lydon (English, 1836-1917)
Emil Volkers (German, 1831-1905)
George Hudson (New Zealander, 1867 – 1946)
Fritz Thomsen (Danish, 1819 - 1891)
Alois Bach (German, 1809 - 1893)
Gustav Prütz (German, 19th Century)
Johann Friedrich Naumann (German, 1780 – 1857)
Cyprián Majerník (Slovak, 1909 - 1945)
Eugène Joseph Verboeckhoven (Belgian, 1798-1881)
Johann Friedrich Naumann (German, 1780 – 1857)