Karl Clausius was a German military strategist and philosopher. His works included some content on military strategy and war theory. The following are some of his famous military works: 1 The Art of War This was one of Karl Clausewitz's most famous works and one of the most influential works on war theory in world history. The book was first published in 1899 and was hailed as the foundational work of modern warfare. War and Peace The book was a historical novel written by Karl Clausewicz in 1916, which described the war during the Russian October Revolution. Although it was not his official military work, it contained some content on military strategy and war theory. 3. The Theory of Thehretic and Political Science This was a political science book written by Carl Clausewitz in 1919, which mainly explored the relationship between military and politics and their importance to the victory of war. The Art of War This was a military work written by Carl Clausewitz in 1924. It mainly discussed the basic principles and methods of military strategy and tactics. In addition to these four books, Carl Clausewitz also wrote a few other military and political books, but these four books are the most famous.