Subject
- Oregon State University -- Curricula52
- Game and game-birds -- Oregon27
- Game protection -- Oregon26
- Oregon State University. College of Forestry22
- Forests and forestry -- Northwest, Pacific21
- Forests and forestry -- Oregon20
- United States. Forest Service. Pacific Northwest Region17
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club17
- Fisheries -- Oregon14
- Forests and forestry -- Research -- Oregon12
- Forest products -- Research -- Oregon10
- Oregon State University. Forest Research Laboratory10
- Fishery management -- Oregon -- Statistics7
- Fishing -- Oregon -- Statistics7
- Mineral industries -- Oregon7
- Natural gas -- Prospecting -- Oregon7
- Petroleum -- Prospecting -- Oregon7
- Range plants -- Oregon7
- Wildlife management -- Oregon7
- Dissertations, Academic -- United States -- Bibliography -- Catalogs6