Mental defect in a rural county : a medico-psychological and social study of mentally defective children in Sussex County, Delaware

書誌事項

タイトル
"Mental defect in a rural county : a medico-psychological and social study of mentally defective children in Sussex County, Delaware"
責任表示
by Walter L. Treadway and Emma O. Lundberg ; a study made through the collaboration of the United States Public Health Service and the Children's Bureau
出版者
  • Government Printing Office
出版年月
  • 1919
書籍サイズ
24 cm

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注記

At head of title: U.S. Department of Labor, Children's Bureau

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