John James Audubon (American, 1785-1851)
Louis Agassiz (American, 1807 – 1873)
John James Audubon (American, 1785-1851)
Marcus Elieser Bloch (German, 1723–1799)
Joseph Wolf (German, 1820-1899)
Saverio Manetti (Italian, 1723 – 1785)
Marcus Elieser Bloch (German, 1723–1799)
Louis Agassiz (American, 1807 – 1873)
William Holbrook Beard (American, 1824 - 1900)
Frederick DuCane Godman (English, 1834 – 1919)
Louis Agassiz (American, 1807 – 1873)
George Morland (English, 1763-1804)
Carl Wahlbom (Swedish, 1810 - 1858)
John James Audubon (American, 1785-1851)
W. A . Blakston (English, 19th Century)
Marcus Elieser Bloch (German, 1723–1799)
Henry Stull (American, 1851-1913)
Richard Voltz (German, 1859-1933)
Thomas Blinks (English, 1853 - 1912)
Anonymous
Johann Friedrich Naumann (German, 1780 – 1857)
Marcus Elieser Bloch (German, 1723–1799)
John Gould (English, 1804-1881)
Frederick DuCane Godman (English, 1834 – 1919)
Johann Gustav Hoch (German, 1716-1779)