Columbia subject headings:
Clausewitz, Carl von, 1780-1831--Congresses.
War and society--Congresses.
Harvard subject headings:
Clausewitz, Carl von, 1780-1831--Congresses.
War (Philosophy)--Congresses.
Princeton subject headings:
Clausewitz, Carl von, 1780-1831--Congresses.
War (Philosophy)--Congresses.