Edmund Mahlknecht (Austrian, 1820 - 1903)
Carl Kahler (Austrian, 1855–1906)
Marie Müller (Austrian, 1847–1935)
John James Audubon (American, 1785-1851)
John James Audubon (American, 1785-1851)
Louis-Isidore Duperrey (French, 1786 – 1865)
Daniel Giraud Elliot (American, 1835 – 1915)
Frederick DuCane Godman (English, 1834 – 1919)
Ernest Parton (American, 1845-1933)
Paul de Vos (Flemish, ca. 1596 - 1678)
John Gould (English, 1804-1881)
Alpheus Spring Packard (American, 1839 – 1905)
Alfred Malherbe (French, 1804 – 1865)
Charles Atwood Kofoid (American, 1865-1947)
Anonymous
Jacques Barraband (French, 1767 – 1809)
Lorenz Oken (German, 1779 – 1851)
John James Audubon (American, 1785-1851)
Karl Neunzig (German, 1864 -1944)
Arthur Heyer (German, 1872-1931)
John Gould (English, 1804-1881)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
John William Lewin (English, 1770-1819)
Paul de Vos (Flemish, ca. 1596 - 1678)
Gustav Mützel (German, 1839 – 1893)