The introduction of farm machinery in its relation to the productivity of labor in the agriculture of the United States during the nineteenth century /
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| Format: | Book |
| Language: | English |
| Published: |
Berkeley, Calif. :
University of California Press,
1931.
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| Series: | University of California publications in economics ;
v. 9. |
| Subjects: |
| Item Description: | "Index of authors cited": pages 244-251. |
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| Physical Description: | 2 pages ., iii-ix, 260 pages : illustrations ; 27 cm. |