Subject
- Women -- Oregon -- Bio-bibliography2
- Women -- Oregon -- Biography2
- Biogeography -- History -- Congresses1
- Dissertations, Academic -- United States -- Bibliography1
- Earthquake hazard analysis -- Northwest, Pacific1
- Earthquakes -- Safety measures1
- Forests and forestry -- United States -- Bibliography1
- Marine animals -- Geographical distribution -- History -- Congresses1
- Marine plants -- Geographical distribution -- History -- Congresses1
- Northwest, Pacific -- Civilization1
- Plate tectonics -- Congresses1
- Regionalism -- Northwest, Pacific1
- United States -- Foreign relations -- 20th century1
- Williams, William Appleman1