Thomas Theodor Heine (German, 1867-1948 )
Udo Keppler (American, 1872 – 1956)
Rudolf Wilke (German, 1873-1908)
J. J. Grandville (French, 1803-1847)
Nelly Bodenheim (Dutch, 1874 – 1951)
Louis Pasteur (French, 1822 – 1895)
Margaret Evans Price (American, 1888 – 1973)
Jessie Marion King (Scottish, 1875-1949)
F. Ockerse (Dutch, 20th Century)
Felix Hess (Dutch, 1878-1943)
Matthew Digby Wyatt (English, 1820-1877)
Will R. Barnes (American, ?-1939)
Johann Esaias Nilson (German, 1721-1788)
Anonymous
Anonymous
Paul Wenzel (Publisher) (American, 19th Century)
Jules Bourgoin (French, 1838-1908)
Jean de Bosschère (Belgian, 1878 – 1953)
William Blake (English, 1757-1827)