Subject
- Fisheries -- Oregon192
- Game and game-birds -- Oregon185
- Game protection -- Oregon185
- Wildlife management -- Oregon137
- Fishing -- Oregon123
- Hunting -- Oregon123
- Forests and forestry -- Oregon80
- Forests and forestry -- Northwest, Pacific66
- Forests and forestry -- Research -- Oregon62
- Agricultural pests -- Control -- Congresses60
- Oregon State University. College of Forestry57
- 4-H clubs55
- Reforestation -- Oregon45
- Lane County (Or.) -- History40
- Fisheries -- Economic aspects -- Congresses32
- Fish culture -- Oregon29
- United States. Forest Service. Pacific Northwest Region27
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club27
- Fisheries -- Columbia River -- Periodicals24
- Forests and forestry -- Research -- Northwest, Pacific24