Topic
- Communism82
- Education, Higher--United States80
- Foreign trade regulation--United States75
- Coal74
- Public Works--United States71
- Disabilities69
- United States--Appropriations and expenditures68
- Outer space--Exploration67
- Public welfare66
- Environmental Protection63
- Crime--United States61
- Public works--United States61
- Higher--United States55
- Housing--Law and legislation55
- Labor laws and legislation55
- New Deal, 1933-193951
- Flood control50
- Religion50
- Youth50
- Courts--United States49
