
John Gerrard Keulemans (Dutch, 1842-1912)

John Gould (English, 1804-1881)

Heywood Hardy (English, 1842–1933)

Allen & Ginter (American, 19th/20th Century)

Ferdinand von Wright (Finnish, 1822- 1906)

Archibald Thorburn (Scottish, 1860-1935)

John James Audubon (American, 1785-1851)

Henry Noel Humphreys (English, 1807–1879)

Stephen Haweis (American, 1878–1969)

Louis Agassiz (American, 1807 – 1873)

Philipp Franz Balthasar von Siebold (German, 1796 – 1866)

Alexander Francis Lydon (English, 1836-1917)

Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)

Joseph Wolf (German, 1820-1899)

Saverio Manetti (Italian, 1723 – 1785)

Frederick DuCane Godman (English, 1834 – 1919)

John Woodhouse Audubon (American, 1812-1862)

Georg Berger (German, 1862-1942)

Gustav von Hayek (Austrian, 1836-1911)

Marcus Elieser Bloch (German, 1723–1799)

Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)

Gabriel von Max (Austrian, 1840 – 1915)

John Gould (English, 1804-1881)

James Duncan (Canadian, 1806-1881)