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- United States. Department of Agriculture 67
- Universities and colleges--Faculty 44
- Butz, Earl L. (Earl Lauer), 1909-2008 16
- Lawrence, F. J. (Francis J.) 11
- Harmond, Jesse E. (Jesse Edward), 1906- 9
- Likens, Sam T. 7
- Agricultural Chemistry 6
- Dooley, Harrison L. 6
- Horticulture 6
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