Subject
- Fisheries -- Oregon191
- Game and game-birds -- Oregon185
- Game protection -- Oregon183
- Wildlife management -- Oregon125
- Agricultural pests -- Control -- Congresses123
- Fishing -- Oregon111
- Hunting -- Oregon111
- Forests and forestry -- Oregon100
- 4-H clubs86
- Oregon State University. College of Forestry74
- Forests and forestry -- Research -- Oregon72
- Forests and forestry -- Northwest, Pacific68
- Reforestation -- Oregon56
- Fisheries -- Economic aspects -- Congresses52
- Industrial arts -- Study and teaching45
- Lane County (Or.) -- History37
- Educational counseling34
- Fish culture -- Oregon33
- Sustainable fisheries -- Congresses32
- Douglas fir29