Pennsylvania--Boundaries Boundary disputes 1 Connecticut--Boundaries 1 Indians of North America--Pennsylvania--Treaties 1 Indians--First contact with Europeans 1 Land Settlement--Connecticut--18th century 1 Land Settlement--Connecticut--19th century 1 more ... Land Settlement--Pennsylvania--18th century 1 Land Settlement--Pennsylvania--19th century 1 Legal issues 1 Mason-Dixon Line 1 Native Americans 1 Pennsylvania--History--Colonial period, ca. 1600-1775 1 Shoemaker Family 1 Slavery--Abolition--18th and 19th centuries 1 Social Life and Customs--18th century 1 Social life and customs--19th century 1 United States--History--Civil War, 1861-1865--Battle of Gettysburg, July 1-3, 1863 1 United States--History--Civil War, 1861-1865--Regimental Histories--3rd Penna. Cavalry 1 less ...