History 1,004 Regimental histories Campaigns 178 Soldiers 164 Publications about Graduates 82 Histoire 45 Histoire des unités 43 more ... Gettysburg, Battle of, Gettysburg, Pa., 1863 34 Publications by Graduates 33 Army of the Potomac 28 Military life 26 Participation, African American 26 Siena Donor: Vallely, M.L.S., John R. 26 Gettysburg (Pa.), Battle of, 1863 22 Militia 21 African American soldiers 20 Generals 19 Personal narratives 19 Cavalry operations 18 Participation, Irish American 14 Artillery operations 13 Army of the Cumberland 12 Registers of births, etc 12 Military leadership 11 Social aspects 11 Gettysburg Campaign, 1863 10 Military campaigns 10 New York Infantry 10 Officers 10 African Americans 9 less ...