标题:精神薄弱児の類型学的研究(その3) : 知的行動の類型的把握 : 4.精神薄弱 [in Japanese] Typological study of mental deficiency. (III) : Typological approach of intellectual behavior. : LIST OF PAPERS PRESENTED AT THE THIRD ANNUAL CONVENTION OF THE JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY October 17-21,1961,Nagoya : Division 3 : Mentally Retarded [in Japanese]