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- Rev. 1938.
- Washington, Govt. Print. Off., 1939.
- v, 97 p.
Earlier ed. issued under title: Habit clinics for the child of preschool age.
l 39000037
Habit.
Child rearing.
HV771.U6 / T4 1938
362.706173-s
W1 / UN6181 no.135 1939