Columbia subject headings:
Bayard, Madeleine Victorine, 1911-1942.
France--History--German occupation, 1940-1945.
Péri, Claude André Michel, 1908-1942.
Spies--France--Biography.
World War, 1939-1945--Secret service--Great Britain.
Harvard subject headings:
Bayard, Madeleine.
France--History--German occupation, 1940-1945.
Peri, Claude.
Spies--France--Biography.
World War, 1939-1945--Secret service--Great Britain.
Princeton subject headings:
Bayard, Madeleine.
Peri, Claude.
Spies--France--Biography.
World War, 1939-1945--Secret service--Great Britain.