Subject
- Industrial arts -- Study and teaching31
- Douglas fir25
- Herbicides19
- Home economics -- Study and teaching18
- Soils -- Oregon16
- Wheat16
- Industrial arts11
- Pheasants11
- Strawberries11
- Clothing and dress10
- Home economics10
- Heat -- Transmission9
- Water -- Pollution9
- Beef cattle -- Feeding and feeds8
- Submarine geology8
- Surimi8
- Upwelling (Oceanography)8
- Coasts -- Oregon7
- Douglas fir beetle7
- Forest soils7