Psychological tests, a bibliography
By: comp. by Helen Boardman ...  Pub. by the Department of social, physical and mental experiments.
Contributors: Ruger, Georgie J.
Publisher: The Bureau of educational experiments
Published: 1917
Place of publication: New York
Language: eng
Number of pages: 111
Notes: Cover dated 1918.
"Supplement to January 1, 1918.  Comp. by Georgie J. Ruger": p. [77]-111.