Columbia subject headings:
Mata Hari, 1876-1917--Fiction.
Women spies--Fiction.
World War, 1914-1918--Secret service--Fiction.
Harvard subject headings:
Mata Hari, 1876-1917--Fiction.
Women spies--Fiction
World War, 1914-1918--Secret service--Fiction.
Princeton subject headings:
Fiction.
Mata Hari, 1876-1917--Fiction.