Spouses--Correspondence--19th century 5 Books and Bookselling--19th Century 2 Family life--Pennsylvania--20th century 2 Genealogy 2 Gettysburg, Battle of, Gettysburg, Pa., 1863 2 Medical Publications--19th century 2 Medical Publications--20th century 2 more ... Publishers and Publishing--Pennsylvania--Philadelphia--19th century 2 Sioux nation 2 Slavery 2 Slavery--United States--History 2 Spouses--Correspondence-–20th century 2 United States--History--Civil War, 1861-1865--Personal narratives 2 United States--History--Revolution, 1775-1783 2 United States. Army of the Potomac 2 United States. Army. Corps of Engineers--History--19th century 2 African Americans--Georgia 1 African Americans--History--Civil War 1 American wit and humor--Periodicals 1 Antietam, Battle of, Md., 1862 1 Appomattox Campaign, 1865 1 Atlanta Campaign, 1864--Personal narratives 1 Banking law--United States--History 1 Children's diaries, American 1 Chinese Americans 1 Church records and registers--Pennsylvania--18th century 1 Church records and registers--Pennsylvania--19th century 1 Church records and registers--Pennsylvania--20th century 1 Civil War--Colored Regiments 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 Compromise of 1850 1 Copper mines and mining--Pennsylvania 1 Correspondence--United States--1910-1920 1 Dakota Indians--Government relations 1 Dakota Indians--Wars, 1890-1891 1 Deaf and dumb institutions (Philadelphia, Pa.) 1 Department stores 1 less ...