Subject
- Agricultural pests -- Control -- Congresses359
- Fisheries -- Oregon216
- Game and game-birds -- Oregon193
- Game protection -- Oregon193
- U.S. International Biological Program. Coniferous Forest Biome121
- Forests and forestry -- Oregon117
- Wildlife management -- Oregon113
- Fisheries -- Economic aspects -- Congresses99
- Fishing -- Oregon95
- Hunting -- Oregon95
- 4-H clubs84
- Douglas fir74
- Forests and forestry -- Northwest, Pacific73
- Agriculture -- Oregon -- Statistics72
- Farm produce -- Oregon -- Statistics70
- Sustainable fisheries -- Congresses66
- Forests and forestry -- Research -- Oregon63
- Industrial arts -- Study and teaching56
- Lane County (Or.) -- History54
- Oregon State University. College of Forestry53