Pennsylvania--History--Colonial period, ca. 1600-1775--Sources Penn, William 2 Dunn, Mary Maples Dunn, Mary Maples 1 Dunn, Richard S. 1 Immigration--Philadelphia, Pa.--18th century 1 Indians of North America--Commerce--18th century 1 Land titles--Pennsylvania--17th century 1 more ... Land titles--Pennsylvania--18th century 1 Land titles--Pennsylvania--19th century 1 Land titles--Pennsylvania--20th century 1 Merchants--London--17th century 1 Pennsylvania--Immigration--17th century 1 Pennsylvania--Politics and Government 1 Pennsylvania--Politics and government--17th century 1 Politics and Government--Philadelphia--18th century 1 Real Property--Pennsylvania--18th century 1 United States--History--French and Indian War, 1755-1763 1 less ...