Subject
- Alfalfa1
- Forest Products Laboratory (U.S.)1
- Forestry law and legislation -- United States1
- Forests and forestry -- United States1
- Frontier and pioneer life -- Oregon1
- Germination1
- Lumber trade -- Northwest, Pacific1
- Oregon -- History1
- Pear -- Disease and pest resistance1
- Pear -- Varieties1
- Red clover1
- Strawberries -- Diseases and pests1
- Strawberry-weevil1
- Timber -- Economic aspects -- Northwest, Pacific1
- Wood -- Testing1