Subject
- Game and game-birds -- Oregon273
- Game protection -- Oregon271
- Fisheries -- Oregon255
- Wildlife management -- Oregon176
- Fishing -- Oregon161
- Hunting -- Oregon160
- Forests and forestry -- Oregon113
- Potatoes -- Oregon -- Klamath County73
- Forests and forestry -- Northwest, Pacific69
- Lane County (Or.) -- History69
- Reforestation -- Oregon63
- Forests and forestry -- Research -- Oregon62
- Oregon State University. College of Forestry57
- 4-H clubs48
- Oregon State University -- Curricula41
- Douglas fir38
- Forests and forestry -- Washington (State)34
- Agricultural pests -- Control -- Congresses33
- Forest surveys -- Oregon31
- Forests and forestry -- Oregon -- Statistics31