Subject
- Fisheries -- Oregon52
- Game and game-birds -- Oregon45
- Game protection -- Oregon44
- Forests and forestry -- Northwest, Pacific40
- Forests and forestry -- Oregon32
- Oregon State University. College of Forestry31
- United States. Forest Service. Pacific Northwest Region25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club25
- Lane County (Or.) -- History19
- Wildlife management -- Oregon19
- Fishing -- Oregon15
- Hunting -- Oregon15
- Oregon State University -- Curricula11
- Hatfield Marine Science Center9
- Wood poles -- Fumigation9
- Wood poles -- Maintenance and repair9
- Wood poles -- Preservation9
- Marine sciences8
- Fish culture -- Oregon7
- Fisheries -- Economic aspects -- Congresses7