Stock Market Technique. New York: Richard D. Wyckoff, March 1932

Stock Market Technique. New York: Richard D. Wyckoff, March 1932, Volume: Gilbert B262. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527623 Accessed December 26, 2025.