Pennsylvania--Politics and government--18th century 28 Pennsylvania--Politics and government--19th century 4 Land surveys--Pennsylvania--18th century 3 Pennsylvania--Provincial Council--18th century 3 Indian--White Relations--18th century 2 Pennsylvania--Politics and government--17th century 2 Anti-Catholicism--Pennsylvania--18th century 1 more ... Astronomy--18th century 1 Botany--18th century 1 Commonplace books 1 Dickinson College 1 Epidemics--Yellow Fever--Philadelphia--18th Century 1 France--Intellectual life--18th century 1 French and Indian War 1 Geography--19th century 1 Hate mail--Pennsylvania--19th century 1 Historians--18th century 1 International trade--18th century 1 Land Warrants--Pennsylvania--18th century 1 Land speculation and settlement--Pennsylvania--18th century 1 Land speculation and settlement--Westmoreland County (Pa.)--18th and 19th centuries 1 Land surveys--Pennsylvania--19th century 1 Land surveys--Pennsylvania--Philadelphia--18th century 1 Law--Land Disputes--19th century 1 Native Americans--White perceptions of 1 Northumberland County (Pa.)--History--18th century 1 Penn, William 1 Pennsylvania--History--French and Indian War, 1755-1763 1 Pennsylvania--Politics and government--20th century 1 Philosophy--18th century 1 Political and government 1 Politics and government 1 Quakers--17th century 1 Racism--Pennsylvania--18th century 1 Real property--Valuation 1 Social Life and Customs--Philadelphia--18th century 1 United States--History--Constitutional Convention, 1787 1 United States--History--Continental Congress, 1774 1 United States--History--Revolution, 1775-1783 1 United States--History--Revolution, 1775-1783--Committee of Safety 1 less ...