History Regimental histories World War, 1914-1918 World War, 1939-1945 Campaigns Description and travel Courts-martial and courts of inquiry African Americans Army of the Potomac Histoire Discovery and exploration Freed persons Harbors Maryland Campaign, 1862 Military law Navigation Pay, allowances, etc Peninsular Campaign, Va., 1862 Pennsylvania Infantry United States Army--Order-books 121st Armies Discoveries in geography Drill and tactics Handbooks, manuals, etc Harbor Indians of North America Monmouth, Battle of, Freehold, N.J., 1778 Natural history Rivers Travel Trials (Espionage) United States--History--Civil War, 1861-1865--Equipment and Supplies 79th Division 94th Division American Burgoyne's Invasion, 1777 Education Exploring expeditions Five Forks (Va.), Battle of, 1865