A. Tinbergen (Dutch, 20th Century)
Mildred McMillen (American, 1884-1940)
Bernhard Gillam (American, 1856 – 1896)
Édouard Guichard (French, 1815-1889)
Georges de Feure (French, 1868-1943)
Henry John Van-Lennep (American, 1815-1889)
Robert Dudley (English, 19th Century)
Udo Keppler (American, 1872 – 1956)
Gordon Ross (American, 1873-1946)
Nelly Spoor (Dutch, 1885 - 1950)
Anonymous
Ralph Barton (American, 1891–1931)
Harrison Fisher (American, 1877 - 1934)
Jules Bourgoin (French, 1838-1908)
John Samuel Pughe (American, 1870-1909)
William Blake (English, 1757-1827)
Rudolf von Larisch (Austrian, 1856-1934 )
Udo Keppler (American, 1872 – 1956)
Anonymous
Nicolas Xavier Willemin (French, 1763-1839)
Alexandre de Riquer (Spanish, 1856 - 1920)
William Hogarth (English, 1697-1764)