- National Institutes of Health (U.S.)1
- National Rifle Association of America1
- National Science Foundation1
- North, Oliver1
- Palestine Information Office (Washington, D.C.)1
- Peabody Coal Company1
- Pell, Claiborne, 1918-20091
- Pellegrino, Shelley, J.1
- Perkins, Carl C. (Carl Christopher), 1954-1
- Project MATCH (U.S.)1
- Quayle, Dan, 1947-1
- Ramos, Fidel V., 1928-1
- Randolph, Jennings, 1902-19981
- Reeves, Martha1
- Reid, Harry, 1939-20211
- Republican National Convention (9th : 1888 : Chicago, Ill.)1
- Roberts, Pat, 1936-1
- Rockefeller, Jamie (John David, V.), 1969-1
- Rodino, Peter W., Jr., 1909-20051
- Roh, Tae Woo, 1932-20211
