Subject
- 4-H clubs -- Oregon1
- 4-H clubs -- Washington (State) -- King County1
- 4-ethylphenol1
- AIDS (Disease) -- Africa, Sub-Saharan -- Epidemiology1
- AIDS (Disease) -- Kenya -- Nyanza Province1
- AIDS (Disease) -- Treatment -- Economic aspects -- Africa, Sub-Saharan1
- Ability -- Testing1
- Ability grouping in education1
- Abortion -- Psychological aspects1
- Absorption spectra -- Mathematical models1
- Academic achievement2
- Academic achievement -- California -- Los Angeles -- Case studies1
- Academic achievement -- Oregon -- Corvallis1
- Academic libraries -- United States -- Collection development1
- Acanthocephala1
- Acclimatization (Plants)1
- Accounting -- Study and teaching1
- Acculturation -- Oregon -- Portland1
- Acer macrophyllum1
- Achievement motivation1