00738cam a22002171 4500 e 18001127 DLC 20260227111210.0 790831s1918 nyu b 000 0 eng c e 18001127 (OCoLC)5330649 Library, U.S. Bur. of Education OCl DLC Z5814.P8 M6 Mitchell, David, 1884- Psychological tests, revised and classified bibliography [by] David Mitchell, George J. Ruger. New York city, The Bureau of educational experiments [1918] 116 p. 23 cm. The Bureau of educational experiments. Bulletin IX Psychological tests Bibliography. Ruger, Georgie J. 20261 20261