Columbia subject headings:
Authors, American--20th century--Biography.
London, Jack, 1876-1916--Pictorial works.
Harvard subject headings:
Authors, American--20th century--Biography
London, Jack, 1876-1916--Iconography.
London, Jack, 1876-1916--Pictorial works.
Princeton subject headings:
Authors, American--20th century--Biography.
London, Jack, 1876-1916--Iconography.