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- Architecture, American 61
- Architecture--United States 61
- Ranchers 30
- Horses 26
- Long, R. A. (Reub A.) 25
- Lichens 17
- Oregon State University. Extension Service 15
- Universities and colleges--Faculty 13
- Frischknecht, W. Dean 10
- Agriculture 9
- Farm ownership 6
- Farm tenancy--Economic aspects 6
- Windmills 6
- Cattle 5
- Farms--Oregon 5
- Historical markers 4
- Lakes 4
- Sagebrush 3
- School buildings 3
- Sexual behavior in animals 3
