Quakers--Pennsylvania--18th century 2 United States--History--Revolution, 1775-1783 2 Family life--Pennsylvania--18th century 1 Family life--Pennsylvania--19th century 1 Family life--Pennsylvania--20th century 1 Horticulture 1 Korean War, 1950-1953 1 more ... Medical education 1 Pennsylvania--History 1 Pennsylvania--History--1775-1865 1 Pennsylvania--History--Colonial period, ca. 1600-1775 1 Quaker women 1 Quakers 1 Spouses--Correspondence--18th century 1 Spouses--Correspondence--19th century 1 Spouses--Correspondence-–20th century 1 United State--History--Colonial period, ca. 1600-1775 1 World War, 1939-1945 1 less ...