Will R. Barnes (American, ?-1939)
John Rea Neill (American, 1877 - 1943)
Carl Moll (Austrian, 1861-1945)
Percy J. Billinghurst (English, 1871-1933)
Francis Jammes (French, 1868-1938)
Pierre Bonnard (French, 1867-1947)
Robert Hooke (English, 1635 – 1703)
Anonymous
Anonymous
Theodor Hosemann (German, 1807-1875)
Samuel Ehrhart (American, 1862-1937)
Carl Becker (German, 19th Century)
Josef Čapek (Czech, 1887 – 1945)
Julie de Graag (Dutch, 1877–1924)
Albert Hahn (Dutch, 1877 – 1918)
Joris Hoefnagel (Flemish, 1542-1600)
Louis Icart (French, 1888-1950)
Charles Dana Gibson (American, 1867 - 1944)
Albert Ilg (Austrian, 1847-1896)
Edward Livingston Youmans (American, 1821 – 1887)
Albert Ilg (Austrian, 1847-1896)
Ernst Haeckel (German, 1834-1919)
James Richard Barfoot (English, 1794-1863)
Karel Klíč (Czech, 1841-1926)
Georges Goursat (Sem) (French, 1863–1934)
John Buckler (English, 1770 – 1851)