A STUDY OF THE BIOLOGICAL
SOCIOLOGICAL AND PSYCHOLOGICAL
FOUNDATION OF THE FAMILY
BY
M. M. KNIGHT, PH.D.
IVA LOWTHER PETERS, PH.D.
PHYLLIS BLANCHARD, PH.D.
Author of The Adolescent Girl
London: Kegan Paul, Trench, Trubner & Co., Ltd. New York: Moffat, Yard & Co.
1921
DEDICATED TO OUR FRIEND AND TEACHER,
FRANK HAMILTON HANKINS