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- Universities and colleges--Faculty 4
- Michigan State University. Agricultural Experiment Station 2
- Wittwer, S. H. (Sylvan Harold), 1917-2012 2
- Langan, William M. 1
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- Tichenor, Phillip J. 1
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- United States. Department of Agriculture. Office of Information 1
- University of Minnesota. School of Journalism and Mass Communication 1
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