Subject
- Fisheries -- Oregon44
- Game and game-birds -- Oregon41
- Game protection -- Oregon40
- Forests and forestry -- Oregon14
- Forests and forestry -- Northwest, Pacific13
- Oregon State University. College of Forestry13
- Wildlife management -- Oregon12
- Industrial arts -- Study and teaching11
- United States. Forest Service. Pacific Northwest Region10
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club10
- Forest ecology -- West (U.S.)9
- Lane County (Or.) -- History9
- Oregon State Agricultural College9
- Engineering -- Research -- Oregon8
- Fishing -- Oregon8
- Hunting -- Oregon8
- Fish culture -- Oregon7
- Fishes -- Oregon7
- U.S. International Biological Program. Coniferous Forest Biome7
- Highway research -- Congresses6