Subject
- Game and game-birds -- Oregon132
- Game protection -- Oregon132
- Fisheries -- Oregon120
- Oregon State University -- Curricula85
- Wildlife management -- Oregon62
- Forests and forestry -- Oregon59
- Forests and forestry -- Northwest, Pacific49
- Fishing -- Oregon42
- Hunting -- Oregon42
- Agricultural pests -- Control -- Congresses41
- Oregon State University. College of Forestry40
- Entomology38
- Agricultural experiment stations -- Research -- Oregon -- Jackson County37
- Agriculture -- Oregon -- Jackson County -- Field experiments37
- Agriculture -- Oregon -- Statistics37
- Farm produce -- Oregon -- Statistics37
- Lane County (Or.) -- History33
- Forests and forestry -- Research -- Oregon31
- Fish culture -- Oregon25
- United States. Forest Service. Pacific Northwest Region25