
August von Pettenkofen (Austrian, 1822 - 1889)

Antonín Frič (Czech, 1832 – 1913)

Filippo Buonanni (Italian, 1638 – 1723)

Julie de Graag (Dutch, 1877–1924)

Fritz Thomsen (Danish, 1819 - 1891)

Rochus van Veen (Dutch, 1630-1693)

John James Audubon (American, 1785-1851)

Frank Edward Clarke (New Zealander, 1849 – 1899)

John Gould (English, 1804-1881)

Henry Seebohm (English, 1832 – 1895)

Courier Litho. Co. (American, 19th/20th Century)

Marcus Elieser Bloch (German, 1723–1799)

Louis Agassiz Fuertes (American, 1874 – 1927)

Wilhelm Kuhnert (German, 1865-1926)

Jean Gabriel Prêtre (Swiss, 1768 – 1849)

Henry Seebohm (English, 1832 – 1895)

Newton Limbird Smith Fielding (English, 1799–1856)

John James Audubon (American, 1785-1851)

Sawrey Gilpin (English, 1733–1807)

Marcus Elieser Bloch (German, 1723–1799)

Julie de Graag (Dutch, 1877–1924)

Jan Vrolijk (Dutch, 1846-1894)

Johan le Ducq (Dutch, 1629 – 1676)

Rodolpho von Ihering (Brazilian, 1883-1939)

Julie de Graag (Dutch, 1877–1924)

Johann Friedrich Naumann (German, 1780 – 1857)