Columbia subject headings:
Harvard subject headings:
Clausewitz, Carl von, 1780-1831
Engels, Friedrich, 1820-1895
Mahan, A. T. (Alfred Thayer), 1840-1914.
Military art and science--History
Princeton subject headings:
Clausewitz, Carl von, 1780-1831.
Engels, Friedrich, 1820-1895.
Mahan, A. T. (Alfred Thayer), 1840-1914.
Military art and science--History.