Subject
- Lane County (Or.) -- History104
- Wildlife management -- Oregon60
- Forests and forestry -- Oregon59
- Oregon State University. College of Forestry53
- Fishing -- Oregon50
- Hunting -- Oregon50
- Fisheries -- Oregon47
- Forests and forestry -- Northwest, Pacific45
- Game and game-birds -- Oregon45
- Game protection -- Oregon45
- Oregon -- History29
- Forests and forestry -- Research -- Oregon26
- United States. Forest Service. Pacific Northwest Region25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club25
- 4-H clubs23
- Oregon State University -- Curricula20
- Greenhouse gases -- Forecasting19
- Hatfield Marine Science Center19
- Columbia Basin Agricultural Research Center -- Periodicals17
- Agricultural pests -- Control -- Congresses16