Topic
- Reclamation of land--United States2
- Taxation2
- Universities and colleges--Research2
- Acid rain1
- Airports1
- Bridges1
- Budget1
- Coal mines and mining1
- Coal mines and mining--United States--Safety measures1
- Competition, International1
- Disability awareness1
- Education1
- Education, Higher--United States1
- Employment1
- Environmental law--United States1
- Equal rights amendments--United States1
- Exports1
- Factory and trade waste1
- Federal aid to research1
- Flood control1
