John James Audubon (American, 1785-1851)
Carl Steffeck (German, 1818 – 1890)
Piotr Michałowski (Polish, 1800-1855)
Alfred Malherbe (French, 1804 – 1865)
August von Pettenkofen (Austrian, 1822 - 1889)
Jens Juel (Danish, 1745-1802)
Joseph Wolf (German, 1820-1899)
Frederick DuCane Godman (English, 1834 – 1919)
Johann Caspar Fuessli (Swiss , 1743-1786)
George Hudson (New Zealander, 1867 – 1946)
George Hudson (New Zealander, 1867 – 1946)
John Edwards Holbrook (American, 1796 – 1871)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
John James Audubon (American, 1785-1851)
Sydenham Edwards (English, 1768-1819)
Harrison Weir (English, 1824-1906)
Circle of Maud Earl (English, 1864-1943)
John Gould (English, 1804-1881)
Johann Friedrich Naumann (German, 1780 – 1857)
John James Audubon (American, 1785-1851)
John Obadiah Westwood (English, 1805 – 1893)
Jacques Barraband (French, 1767 – 1809)
Wilhelm Kuhnert (German, 1865-1926)
Tethart Philip Christian Haag (Dutch, 1737-1812)
René de Rabié (French, 1700-1785)
George Hudson (New Zealander, 1867 – 1946)
René de Rabié (French, 1700-1785)
Frederick DuCane Godman (English, 1834 – 1919)
After Penry Powell Palfrey (English, 1830 - 1902)
Marcus Elieser Bloch (German, 1723–1799)
Saverio Manetti (Italian, 1723 – 1785)
Alfred Frédol (French, 1804-1863)
Alexander Pope Jr. (American, 1849-1924)
Anonymous
Franz Marc (German, 1880-1916)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Marcus Elieser Bloch (German, 1723–1799)
Archibald Thorburn (Scottish, 1860-1935)
Moritz Müller (German, 1841 - 1899)
John Gould (English, 1804-1881)
Saverio Manetti (Italian, 1723 – 1785)
Christoph Amberger (German, 1505-1562)
Józef Brodowski (Polish, 1772-1853)
Louis-Isidore Duperrey (French, 1786 – 1865)
Johann Caspar Fuessli (Swiss , 1743-1786)
Elizabeth Adela Forbes (Canadian, 1859 – 1912)