Columbia subject headings:
France--History--German occupation, 1940-1945.
Gray (France)--History.
World War, 1939-1945--Underground movements--France--Gray.
Harvard subject headings:
Fick, André.
Gray (France)--History--20th century.
World War, 1939-1945--France--Gray.
Princeton subject headings:
France--History--German occupation, 1940-1945.
Gray (France)--History.
World War, 1939-1945--Underground movements--France--Gray.