The principles of war / by Marshal Foch, translated by Hilaire Belloc, with twenty-three maps and other diagrams. Foch, Ferdinand, 1851-1929. Belloc, Hilaire, 1870-1953, tr. Military art and science. U102 .F52 1920 341.3 FOP New York : H. Holt and company, 1920. 1920. 1920 Text xiii, 351 p. : eng engund