Subject
- Game protection -- Oregon114
- Game and game-birds -- Oregon113
- Fisheries -- Oregon111
- Agricultural pests -- Control -- Congresses44
- Wildlife management -- Oregon42
- Fishing -- Oregon37
- Hunting -- Oregon37
- Forests and forestry -- Oregon31
- Oregon State University. College of Forestry27
- Fisheries -- Columbia River -- Periodicals26
- Gillnetting -- Columbia River -- Periodicals26
- Douglas fir20
- Oregon State University. College of Agriculture Science -- Periodicals18
- Hatfield Marine Science Center17
- Engineering14
- Herbicides14
- Marine sciences14
- Wheat12
- Educational counseling8
- Fish culture -- Oregon8