Leopold Stolba (Austrian, 1863-1929)
Will R. Barnes (American, ?-1939)
Anonymous
Charles Bird King (American, 1785 - 1862)
Columbia University Teachers College (American, 19th/20th Century)
Henry Shaw (English, 1800–1873)
Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)
Walter H. Gallaway (American, 1870-1911)
Maurice Pillard Verneuil (French, 1869-1942)
Bernhard Dondorf (German, 1833-1933)
William Blake (English, 1757-1827)
Udo Keppler (American, 1872 – 1956)
Mildred McMillen (American, 1884-1940)
Udo Keppler (American, 1872 – 1956)
Carlo Ferrario (Italian, 1833-1907)
Gustave De Smet (Dutch, 1877 – 1943)
Eugène Burnand (Swiss, 1850-1921)
Jörg Kölderer (German, 1465-1540)
Johann Gottfried Grohmann (German, 18th century)
Paul Gavarni (French, 1804-1866)