Topic
- Lilies 14
- Agricultural machinery 13
- Beans 13
- Farms 13
- Signs and signboards 12
- Peppermint 11
- College buildings 10
- Sweet corn 10
- Agriculture 9
- Cranberries 9
- Strawberries 9
- Sudan grass 9
- Turfgrasses 9
- Burning of land 8
- Cattle 8
- Dill 8
- Oregon State University 8
- Universities and colleges--Alumni and alumnae 8
- Agricultural experiment stations 7
- College students 7