Subject
- 4-H clubs157
- Agriculture -- Oregon53
- Game and game-birds -- Oregon49
- Game protection -- Oregon48
- Fisheries -- Oregon47
- Wildlife management -- Oregon47
- Fishing -- Oregon42
- Hunting -- Oregon42
- Forests and forestry -- Research -- Oregon31
- Engineering27
- Forests and forestry -- Oregon27
- Reforestation -- Oregon27
- Agricultural pests -- Control -- Congresses24
- Industrial arts -- Study and teaching24
- Hatfield Marine Science Center23
- Cattle -- Feeding and feeds22
- Douglas fir22
- Agriculture21
- Fisheries -- Economic aspects -- Congresses21
- Marine sciences21