State commissions for the study and revision of child-welfare laws
著者
書誌事項
State commissions for the study and revision of child-welfare laws
（Children's year follow-up series, no. 6）（Bureau publication / U.S. Department of Labor, Children's Bureau, no. 71）
[G.P.O.], [1920]
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注記
"This report was prepared by Emma O. Lundberg and Ruth H. Olmsted, of the Social service division, U.S. Children's bureau"-- p. 5
Includes bibliographical references