Subject
- Aflatoxins2
- Aged -- Psychology1
- Artificial intelligence -- Computer programs1
- Attitude (Psychology)1
- Biological rhythms1
- College students -- Alberta1
- Continental shelf -- Oregon1
- Crater Lake National Park (Or.)1
- Dissertations, Academic -- United States -- Bibliography -- Catalogs1
- Engineering -- Research -- Oregon1
- Environmental protection -- Indexes1
- Fission products1
- Forests and forestry -- Northwest, Pacific1
- Group counseling1
- Group work in education1
- Guides to forest and conservation history of North America1
- High school students1
- Highway research -- Congresses1
- Housing -- Oregon -- Corvallis1
- Land use -- Oregon -- Crook County -- Planning1