United States--History--Civil War, 1861-1865--Personal Correspondence 36 History 32 Family life--Personal correspondence--19th century 23 Correspondence 20 Histoire 17 Personal Correspondence 13 World War, 1939-1945 12 more ... Family life--Personal correspondence--20th century 11 Politics and government 10 Quakers 10 World War, 1914-1918--Personal correspondence 10 Family life--Personal Correspondence--18th century 9 Politique et gouvernement 9 Society of Friends 9 Correspondance 8 Genealogy 8 Quaker women 7 World War II, 1939-1945--Personal Correspondence--Home front 7 Hommes d'État 6 Statesmen 6 United States--History--Revolution, 1775-1783--Personal Correspondence 6 World War, 1914-1918 6 Clergy 5 Family life--19th century 5 Travel 5 United States--History--Civil War, 1861-1865--Camp Life 5 African Americans 4 Description and travel 4 Family life--Pennsylvania--20th century 4 Family life--Pennsylvania--Philadelphia 4 Husband and Wife--Correspondence 4 Immigrants 4 Quakeresses 4 Social life and customs--Upper class--19th century 4 Société des Amis 4 Spouses--Correspondence-–20th century 4 World War, 1939-1945--Personal narratives, American 4 Airmen 3 Armed Forces 3 Authors, German 3 less ...