Places
- Old Fort Niagara (N.Y.)--Siege, 1759.1
- Oneida, Lake.1
- Ontario, Lake.1
- Oswegatchie River (N.Y.)1
- Pasadena (Calif.)1
- Pennsylvania--Description and travel.1
- Pennsylvania--History--Revolution, 1775-1783.1
- Pensacola (Fla.)1
- Perth Amboy (N.J.)1
- Peru (Viceroyalty)--History--17th century.1
- Peru (Viceroyalty)--History--18th century.1
- Peru (Viceroyalty)--Politics and government.1
- Peru--History--1548-1820.1
- Philadelphia (Pa.)2
- Philadelphia (Pa.)--History--Revolution, 1775-1783.1
- Philippines -- History -- 1898-1946.1
- Placentia Bay (N.L.)1
- Pueblo (Colo.)1
- Québec (Québec)--History--French and Indian War, 1755-1763.1
- Redstone (Pa.)1