Army mental tests
By: comp. and ed. by Clarence S. Yoakum and Robert M. Yerkes ...
Contributors: Yerkes, Robert Mearns, 1876-1956, joint ed.
Publisher: H. Holt and company
Published: 1920
Place of publication: New York
Language: eng
Number of pages: 303
Subjects: United States. Army -- Recruiting, enlistment, etc; Mental tests
Notes: "Published with the authorization of the War department."