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Creator
- Horner, C. E. (Chester Ellsworth), 1925- 24
- Likens, Sam T. 23
- Haunold, Alfred 14
- Brooks, Stanley N. 13
- Zimmermann, C. E. 10
- Nickerson, Gail B. 6
- Anderson, J. F. 2
- Puri, Yesh P., Jr. 2
- Appleby, Arnold P. 1
- Berry, Ralph E. (Ralph Eugene), 1940- 1
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Topic
- Hops 24
- Oregon State University. Agricultural Experiment Station 16
- United States. Department of Agriculture 10
- Mints (Plants) 5
- Hops--Diseases and pests 4
- Plant diseases 2
- California Agricultural Experiment Station 1
- Idaho Agricultural Experiment Station 1
- Master Brewers' Association of the United States 1
- Washington Agricultural Experiment Station 1