History 127 World War, 1939-1945 39 Campaigns 32 History, Military 19 World War, 1914-1918 16 Social conditions 10 Women 10 Politics and government 7 History and criticism 6 Military leadership 6 Napoleonic Wars, 1800-1815 6 Aerial operations, British 4 Atrocities 4 Foreign relations 4 Generals 4 Holocaust, Jewish (1939-1945) 4 Jews 4 Kings and rulers 4 Nobility 4 Regimental histories 4 Social aspects 4 Antiquities 3 Court and courtiers 3 Crime 3 Murder 3 Naval operations, British 3 Soldiers 3 Waterloo, Battle of, Waterloo, Belgium, 1815 3 Armistices 2 Army 2