Social-Economic Grouping of Gainful Workers of the United States, Gainful Workers of 1930 in Social-Economic Groups, by Color, Nativity, Age, and Sex, and by Industry, with Comparative Statistics for 1920 and 1910.
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington] :
[s.n.],
1938.
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| Online Access: | Electronic resource (PDF) |
Internet
Electronic resource (PDF)Available Online
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