Rural child welfare; an inquiry by the National child labor committee, based upon conditions in West Virginia, under the direction of Edward N. Clopper, PH. D. Photographic illustrations by Lewis W. Hine.
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| Diğer Yazarlar: | |
| Materyal Türü: | Kitap |
| Dil: | English |
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New York
Macmillan
1922.
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