Jennings, Walter Wilson. (1953). 20 giants of American business : biographical sketches in economic history / by Walter Wilson Jennings. New York :: Exposition Press,.
Jennings, Walter Wilson. 20 giants of American business : biographical sketches in economic history / by Walter Wilson Jennings. New York :: Exposition Press,, 1953
Jennings, Walter Wilson. 20 giants of American business : biographical sketches in economic history / by Walter Wilson Jennings. New York :: Exposition Press,, 1953.