Subject
- Alfalfa1
- Astronomy -- United States -- History -- To 19001
- Brachiopoda, Fossil1
- Buildings -- Oregon -- Shedd1
- Conservation tillage -- Oregon1
- Copper ores -- Oregon1
- Dendrochronology -- Congresses1
- Dissertations, Academic -- United States -- Bibliography1
- Dissertations, Academic -- United States -- Bibliography -- Catalogs1
- Divorce -- Oregon -- Economic aspects1
- Electrons -- Diffraction -- Equipment and supplies1
- Forest fires -- Canada -- History -- Congresses1
- Forest fires -- History -- Research -- Methodology -- Congresses1
- Forest fires -- United States -- History -- Congresses1
- Forests and forestry -- Northwest, Pacific1
- Forests and forestry -- United States -- Bibliography1
- General technical report RM1
- Geology, Stratigraphic -- Ordovician1
- Geology, Stratigraphic -- Paleozoic1
- Klamath Mountains (Calif. and Or.)1