Subject
- 4-H clubs167
- Agriculture -- Oregon108
- Agriculture72
- Game and game-birds -- Oregon72
- Game protection -- Oregon72
- Fisheries -- Oregon70
- Wildlife management -- Oregon54
- Fishing -- Oregon47
- Hunting -- Oregon47
- Agriculture -- Oregon -- Statistics44
- Farm produce -- Oregon -- Statistics42
- Agricultural pests -- Control -- Congresses40
- Fisheries -- Economic aspects -- Congresses37
- Forests and forestry -- Research -- Oregon37
- Reforestation -- Oregon33
- Forests and forestry -- Oregon29
- Engineering27
- Sustainable fisheries -- Congresses26
- Weeds -- Control26
- Forests and forestry -- Northwest, Pacific24