C. Howard Walker (American, 1857-1936)
Winold Reiss (American, 1886-1953)
Louis Agassiz (American, 1807 – 1873)
Geo. S. Harris & Sons (American, 19th/20th Century)
George Elbert Burr (American, 1859 – 1939)
Charles Dana Gibson (American, 1867 - 1944)