Archibald Thorburn (Scottish, 1860-1935)
Paul-Andre Robert (Swiss, 1901-1977)
Henry Walker Herrick (American, 1824-1906)
Julius Scheuerer (German, 1859-1913)
Alfred Richardson Barber (English, 1841-1925)
Frederick DuCane Godman (English, 1834 – 1919)
Heinrich Von Zügel (German, 1850 - 1941)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Saverio Manetti (Italian, 1723 – 1785)
Edmund Henry Osthaus (American, 1858–1928)
René-Primevère Lesson (French, 1794 – 1849)
John William Lewin (English, 1770-1819)
Léo-Paul Robert (Swiss, 1851 - 1923)
Johann Baptist von Spix (German, 1781-1826)
Giovanna Garzoni (Italian, 1600-1670)
Floris Verster (Dutch, 1861-1927)
Nils Kreuger (Swedish, 1858 - 1930)
Edwin L. Sheppard (American, ?-1904)
David Klöcker Ehrenstrahl (Swedish, 1628 – 1698)
Saverio Manetti (Italian, 1723 – 1785)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Daniel Giraud Elliot (American, 1835 – 1915)
Alexander Koester (German, 1864-1932)
John Frederick Herring Snr. (English, 1795 – 1865)