Classics in the History of Psychology

An internet resource developed by
Christopher D. Green
York University, Toronto, Ontario

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

Director of the Research Laboratory of the Training School
at Vineland, New Jersey, for Feeble-minded Girls and Boys

TO

Mr. SAMUEL S. FELS

Friend And Philanthropist
A Layman With The Scientist's Love Of Truth
And
The True Citizen's Love Of Humanity
Who Made Possible This Study And Who Has
Followed The Work From Its Incipiency
With Kindly Criticism And Advice
This Book
Is Dedicated