August Le Gras (Dutch, 1864-1915)
W. A . Blakston (English, 19th Century)
Gustav Prütz (German, 19th Century)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Paul-Andre Robert (Swiss, 1901-1977)
Johannes van Bronckhorst (Dutch, 1648–1727)
Barend Hendrik Thier (Dutch, 1751-1814)
John Edwards Holbrook (American, 1796 – 1871)
Louis Agassiz (American, 1807 – 1873)
Joseph Wolf (German, 1820-1899)
Marcus Elieser Bloch (German, 1723–1799)
Conrad Wise Chapman (American, 1842-1910)
John James Audubon (American, 1785-1851)
W. A . Blakston (English, 19th Century)
Paul-Andre Robert (Swiss, 1901-1977)
Saverio Manetti (Italian, 1723 – 1785)
Gijsbert Gillisz. de Hondecoeter (Dutch, 1604-1653)
Emil Volkers (German, 1831-1905)