Subject
- 4-H clubs160
- Agriculture -- Oregon110
- Agriculture72
- Game and game-birds -- Oregon52
- Game protection -- Oregon51
- Fisheries -- Oregon49
- Wildlife management -- Oregon44
- Fishing -- Oregon42
- Hunting -- Oregon42
- Forests and forestry -- Research -- Oregon34
- Reforestation -- Oregon30
- Engineering27
- Forests and forestry -- Oregon27
- Douglas fir26
- Industrial arts -- Study and teaching24
- Agricultural pests -- Control -- Congresses23
- Hatfield Marine Science Center23
- Fisheries -- Economic aspects -- Congresses22
- Forests and forestry -- Northwest, Pacific21
- Marine sciences21