Improvements of labor conditions in the United States.
| المؤلف الرئيسي: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Philadelphia
The American Academy of Political and Social Science
[c1906].
|
| سلاسل: | Annals of the American Academy of Political and Social Science, v. 27, no. 3
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| الموضوعات: |