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The sixth edition of this well known and widely accepted textbook, the first edition of which appeared in 1908, lives up fully to the excellence and quality of earlier editions. The material has been enriched by the inclusion of much information that has been developed during the nine years that have elapsed since the fifth edition was published. The book remains the outstanding publication on the subject in the English language and cannot be too highly recommended as a basis for an orderly presentation of the forms of mental defect.
A Text-Book of Mental Deficiency (Amentia).. Arch NeurPsych. 1939;42(5):978. doi:10.1001/archneurpsyc.1939.02270230200021