Columbia subject headings:
Clausewitz, Carl von, 1780-1831.
Military art and science--Germany--History--19th century.
Military art and science--Germany--History--20th century.
Schlieffen, Alfred, Graf von, 1833-1913.
World War, 1914-1918--Germany.
World War, 1939-1945--Germany.
Harvard subject headings:
Clausewitz, Carl von, 1780-1831
Military art and science--Germany--History--19th century.
Military art and science--Germany--History--20th century.
Schlieffen, Alfred, Graf von, 1833-1913.
World War, 1914-1918--Germany.
World War, 1939-1945--Germany.
Princeton subject headings:
Clausewitz, Carl von, 1780-1831.
Military art and science--Germany--History--19th century.
Military art and science--Germany--History--20th century.
Schlieffen, Alfred, Graf von, 1833-1913.
World War, 1914-1918--Germany.
World War, 1939-1945--Germany.