• publisher: New York : H. Holt and company
  • creator: Yoakum, Clarence Stone, 1879-1945 Yerkes, Robert Mearns, 1876-1956
  • contributor: Yerkes, Robert Mearns, 1876-1956.
  • Keyword: United States. Army Recruiting, enlistment, etc. Intelligence tests.
  • years: 1920.
  • pages: xiii, 303 p.
  • class: UB336
  • notes: "Published with the authorization of the War department."
  • download: pdf file