Military art and science 69 Early works to 1800 30 War 15 Success in business 13 History 11 Strategy 8 Management 7 Strategic planning 6 Leadership 5 Military history 5 Campaigns 4 Conflict management 4 Industrial management 4 World War, 1939-1945 4 Biography 3 Business 3 History, Military 3 Success 3 World politics 3 Business ethics 2 Business planning 2 Carricatures and cartoons 2 Early work to 1800 2 Military 2 Military education 2 Military leadership 2 Peace 2 Personal narratives, German 2 War Early works to 1800 2 110B.C. -45 B.C. 1