Employment and earnings statistics for the United States, 1909-62. Based on the 1957 Standard industrial classification.
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Washington
For sale by the Superintendent of Documents, U.S. Govt. Print. Off.
1963.
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| 丛编: | Its Bulletin no. 1312-1
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| 主题: |