Places
- Pennsylvania--Colonial period, ca. 1600-1775.1
- Pensacola (Fla.)1
- Peru--History.1
- Philadelphia (Pa.)1
- Philadelphia (Pa.)--History--Revolution, 1775-1783.1
- Poland--History.1
- Portugal--History.1
- Puerto Rico.1
- Queensboro Bridge (New York, N.Y.)1
- Rhode Island--History--Colonial period, ca.1600-1775.1
- Russia--History.1
- Soo Locks (Mich.)1
- South (U.S.)1
- South Carolina--History--Colonial period, ca.1600-1775.1
- Spain--History.1
- Suez Canal (Egypt)1
- Sweden.1
- Switzerland.1
- Tunisia--History.1
- United Kingdom.1