

Udo Keppler (American, 1872 – 1956)




Udo Keppler (American, 1872 – 1956)






Udo Keppler (American, 1872 – 1956)








Louis Glackens (American, 1866-1933)

Joseph Ferdinand Keppler (American, 1838 – 1894)




Frederick Burr Opper (American, 1857-1937)



