Land Settlement--Pennsylvania--18th century 2 Land speculation and settlement--Pennsylvania--18th century 2 Pennsylvania--Boundaries 2 Pennsylvania--History--Colonial period, ca. 1600-1775 2 Susquehanna County (Pa.) 2 Agriculture--Accounting--19th Century 1 Armstrong, John 1 more ... Art Historians--United States--20th century 1 Art, American--18th century 1 Boston Tea Party 1 Boundary disputes 1 Bradford County (Pa.) 1 Campaign management--United States 1 Centennial Exhibition (1876 : Philadelphia, Pa.) 1 Coal Industry--19th century 1 Coal Industry--20th century 1 Coal mines and mining--Pennsylvania 1 Coal mines and mining--West Virginia--20th century 1 Conestoga Indians--History 1 Conestoga Massacre, Pa., 1763 1 Connecticut--Boundaries 1 Drinker Family 1 Elections--Pennsylvania 1 Elections--Pennsylvania--Philadelphia 1 Elections--United States--Costs 1 Elections--United States--History 1 Elections--United States--Planning 1 Estate administration--19th century 1 Family life--Pennsylvania--20th century 1 Family life--Personal correspondence--20th century 1 Indians of North America--Pennsylvania--Treaties 1 Indians--First contact with Europeans 1 Islands--Pennsylvania 1 Land Settlement--Connecticut--18th century 1 Land Settlement--Connecticut--19th century 1 Land Settlement--Luzerne Co. (Pa.)--18th century 1 Land Settlement--Pennsylvania--19th century 1 Land Warrants--Pennsylvania--18th century 1 Land speculation and settlement--Pennsylvania--19th century 1 Land speculation--Pennsylvania--Federal period 1 less ...