- North Atlantic Treaty Organization--United States2
- Norway--Foreign relations--United States2
- Nuclear disarmament--United States2
- Nuclear energy--Government policy2
- Nuclear power plants--Accidents2
- Nuclear weapons--United States2
- Nunn, Sam2
- O'Neill, Michael J., 1922-20122
- Older people--United States2
- Panama (Panama)--Description and travel2
- Paris (France)--Description and travel2
- Park, Chung Hee, 1917-19792
- Parties--Washington (D.C.)2
- Peace Corps (U.S.)2
- Pelé, 1940-2
- People with disabilities--United States2
- Pepper, Claude, 1900-19892
- Pertini, Alessandro, 1896-19902
- Physicians--United States2
- Pittsburgh (Pa.)--Description and travel2
