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- Outer space--Exploration1
- People with disabilities--Medical care1
- People with mental disabilities1
- Political action committees--United States1
- Prisoners of war1
- Rehabilitation1
- Retirement1
- Sex discrimination1
- Shelters for the homeless1
- Sports for women--Law and legislation1
- Steel industry and trade1
- Strip mining1
- Telephone1
- Transportation--United States1
- Vietnam War, 1961-19751
- Vocational Education1
- Voting registers1
- Water resources development--Law and legislation--United States1
- Women--Political activity1
