Subject
- Game protection -- Oregon32
- Game and game-birds -- Oregon31
- Fisheries -- Oregon25
- Industrial arts -- Study and teaching16
- Sandwich construction -- Testing15
- Beef cattle13
- Educational counseling13
- Heat -- Transmission10
- Wood poles -- Preservation10
- 4-H clubs9
- Cattle -- Feeding and feeds8
- Forests and forestry -- Northwest, Pacific8
- Home economics -- Study and teaching8
- Vocational guidance8
- Buckling (Mechanics) -- Mathematical models7
- Counseling7
- Fences -- Design and construction7
- Industrial arts7
- Teaching -- Aids and devices7
- Bacteriology -- Cultures and culture media6