Elmer Boyd Smith (American, 1860-1943)
Ivan Bilibin (Russian, 1876-1942)
Leonard Leslie Brooke (English, 1862–1940)
Nikolay Samokish (Russian, 1860-1944)
Ernst Haeckel (German, 1834-1919)
John Elsas (German, 1851–1935)
Owen Jones (English, 1809 - 1874)
Joseph Ferdinand Keppler (American, 1838 – 1894)
Sir Wilfrid Lawson (English, 1829 – 1906)
Mikuláš Galanda (Slovak, 1895 – 1938)
Will R. Barnes (American, ?-1939)
Matthew Digby Wyatt (English, 1820-1877)
Józef Mehoffer (Polish, 1869-1946)
Henry Justice Ford (English, 1860–1941)
George Ashdown Audsley (Scottish, 1838-1925)
Marion T. Ross (American, 1881-1937)
Pierre Bonnard (French, 1867-1947)
Henry Thomas Alken (English, 1785 – 1851)
Owen Jones (English, 1809 - 1874)
Auguste Roedel (French, 1859-1900)
Anonymous
Leonard Leslie Brooke (English, 1862–1940)
Padraic Colum (Irish, 1881 – 1972)
Percy J. Billinghurst (English, 1871-1933)
Louis Pasteur (French, 1822 – 1895)
U.S. Information Agency (American, 1953-1999)
Édouard Guichard (French, 1815-1889)
J. J. Grandville (French, 1803-1847)
Paul Zenker (French, 19/20th century)
Dow Chemical Company (American, 19th/20th Century)
Anonymous
Clyde A. Copson (American, 20th century)
Hans Tegner (Danish, 1853 – 1932)
Félix Bracquemond (French, 1833-1914)
Léon Spilliaert (Belgian, 1881-1946)
Daniel Lysons (English, 1762–1834)
Eric Gill (English, 1882-1940)
Charles Bird King (American, 1785 - 1862)
Peter Paul Rubens (Flemish, 1577-1640)