Matches in Library of Congress for { ?s ?p I. A criticism of recent American work, by David Heron.--II. On the continuity of mental defect, by Karl Pearson and G. A. Jaederholm.--3. On the graduated character of mental defect and on the need for standardizing judgments as to the grade of social inefficiency which shall involve segregation ... by Karl Pearson.. }
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- 14022684 description "I. A criticism of recent American work, by David Heron.--II. On the continuity of mental defect, by Karl Pearson and G. A. Jaederholm.--3. On the graduated character of mental defect and on the need for standardizing judgments as to the grade of social inefficiency which shall involve segregation ... by Karl Pearson.".
- 14022684 tableOfContents "I. A criticism of recent American work, by David Heron.--II. On the continuity of mental defect, by Karl Pearson and G. A. Jaederholm.--3. On the graduated character of mental defect and on the need for standardizing judgments as to the grade of social inefficiency which shall involve segregation ... by Karl Pearson.".