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Keyword
- Agricultural History1
- Agricultural Science1
- Early 20th Century1
- Ellen Swallow Richards1
- Eugene Davenport[remove]1
- Experiment Station[remove]1
- Henry Prentiss Armsby1
- Land-Grant University Movement1
- Late 19th Century1
- Respiration Calorimeter[remove]1
- The Pennsylvania State University1
- Wilbur O. Atwater[remove]1