Subject
- Game and game-birds -- Oregon62
- Game protection -- Oregon61
- Wildlife management -- Oregon57
- Fishing -- Oregon53
- Hunting -- Oregon53
- Fisheries -- Oregon51
- Fisheries -- Economic aspects -- Congresses36
- Industrial arts -- Study and teaching29
- Douglas fir27
- Engineering27
- Sustainable fisheries -- Congresses25
- Educational counseling17
- Herbicides17
- Home economics -- Study and teaching17
- Wheat17
- 4-H clubs15
- Soils -- Oregon14
- Clothing and dress13
- Cattle -- Feeding and feeds12
- Forests and forestry -- Oregon11