- Oregon State University -- Handbooks, manuals, etc.24
- Forest reserves -- Law and legislation -- United States -- Handbooks, manuals, etc.3
- Forest reserves -- United States -- Handbooks, manuals, etc.3
- Lumbering -- Handbooks, manuals, etc.2
- Aeronautics -- Communication systems -- Handbooks, manuals, etc.1
- Agricultural pests -- Integrated control -- Oregon -- Directories1
- Agricultural pests -- Integrated control -- Oregon -- Handbooks, manuals, etc.1
- Bone marrow -- Transplantation1
- Bulletin (United States. Bureau of Forestry)1
- Bulletin (United States. Forest Service)1
- Circular (United States. Weather Bureau)1
- Conifers -- Seeds -- Handbooks, manuals, etc.1
- Corvallis (Or.) -- Buildings, structures, etc. -- Public opinion1
- Cowlitz Valley Ranger District (Agency : Wash.) -- Officials and employees -- Handbooks, manuals, etc.1
- Donation of organs, tissues, etc1
- Employee handbooks -- Washington (State) -- Cowlitz Valley Ranger District1
- Eugene (Or.) -- Politics and government1
- Ferns -- Oregon -- Handbooks, manuals, etc1
- Fire protection districts -- Oregon -- Handbooks, manuals, etc.1
- Forest nurseries -- Handbooks, manuals, etc.1