Wall Street ventures and adventures through forty years / R.D. Wyckoff. Wyckoff, Richard Demille, 1873-1935. Brokers United States. Speculation. HG4572 .W9 1968 330.9 WYW New York : Greenwood Press, 1968 c1930. 1968 c1930. 1968 Text xiv, 313 p. : eng Wall Street (New York, N.Y.) United States.