Topic
- Oregon State University. Extension Service 5
- Portraits 5
- Portraits, Group 5
- Agriculture 4
- Gross, Alvin Eugene 4
- Oregon State University. Agricultural Experiment Station 4
- School of Agriculture 4
- Sculpture 4
- Signs and signboards 4
- Triticale 4
- Bankers 3
- Barley 3
- Carter, George Edward 3
- Cattle 3
- First National Bank of Oregon 3
- Horsfall, R. Bruce (Robert Bruce), 1869-1948 3
- Plants--Frost protection 3
- Rivers--Oregon 3
- Sprinklers 3
- Chinese Americans 2
