- Nixon, Richard M. (Richard Milhous), 1913-19946
- Poverty.6
- United States--Foreign economic relations--Japan6
- Democratic Party (S.C.)5
- Iraq War, 2003-5
- Malnutrition.5
- McNair, Robert E. (Robert Evander), 1923-2007.5
- Nuclear disarmament--Soviet Union.5
- Nuclear disarmament--United States.5
- Panama Canal.5
- Vietnam War, 1961-1975--United States5
- Vietnam War, 1961-1975.5
- Afghanistan.4
- Bush, George, 1924.4
- Carter, Jimmy, 1924-4
- Civil disobedience.4
- Civil rights.4
- Energy policy--United States4
- Free trade--United States.4
- Johnston, Olin D. (Olin Dewitt), 1896-19654