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2. Manual for the Children's Personality Questionnaire;Cattell,1973
3. Manual of the Junior Eysenck Personality Inventory;Eysenck,1965
4. Manual of the Eysenck Personality Questionnaire;Eysenck,1975
5. Scale descriptions, norm tables and bibliography for the HPQ, APF2 and HMACL4;Howarth,1985