The Kallikak Family: A Study in the Heredity of Feeble-Mindedness

THE KALLIKAK FAMILY

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THE MACMILLAN CO. OF CANADA, Ltd. TORONTO

Deborah Kallikak, as she appears To-day at the Training School.

THE KALLIKAK FAMILY
A STUDY IN THE HEREDITY OF FEEBLE-MINDEDNESS
BY HENRY HERBERT GODDARD, Ph.D.
Director of the Research Laboratory of the Training School at Vineland, New Jersey, for Feeble-minded Girls and Boys