Cronbach, Lee J. 1916-2001. Essentials of psychological testing. - 2d ed. - New York : Harper, ; 1960. - 650 p. : ill, ; 25 cm. Includes bibliographies. LCCN: 59013919 Subjects--Topical Terms: Psychological tests.Psychometrics. LC Class. No.: BF431 / .C75 1960 Dewey Class. No.: 155.28 / CRE 1660