Samuel Johnson Woolf (American, 1880-1948)
Lot of Two Portraits: Roald E. G. Amundsen and Herbert C. Hoover. Amundsen signed "S.J. Woolf" within the matrix l.l., Hoover signed "S.J. Woolf" in pencil l.r. Lithographs, sheet sizes to 16 1/4 x 11 1/4 in., framed.