Subject
- American wood40
- Agriculture -- Oregon28
- Wood -- United States27
- 4-H clubs25
- Forests and forestry -- Research -- Oregon24
- Reforestation -- Oregon24
- Agriculture16
- Fish-culture -- Oregon -- Statistics14
- Fishery management -- Oregon -- Statistics14
- Fishing -- Oregon -- Statistics14
- Fences -- Design and construction13
- Wood poles -- Preservation13
- Starker lectures10
- Conifers -- West (U.S.) -- Ecology7
- Forest ecology -- West (U.S.)7
- Forests and forestry7
- Lake ecology -- West (U.S.)7
- Stream ecology -- West (U.S.)7
- Catalogs, Publishers' -- Oregon5
- College publications -- Oregon5