Columbia subject headings:
Harvard subject headings:
Ecole polytechnique (France)--Alumni and alumnae.
Ecole polytechnique (France)--History--20th century.
France--History--German occupation, 1940-1945.
World War, 1939-1945--Participation, French.
World War, 1939-1945--Underground movements--France.
Princeton subject headings:
Ecole polytechnique (France)--Alumni and alumnae.
Ecole polytechnique (France)--History--20th century.
France--History--German occupation, 1940-1945.
Jews--Persecutions--History--20th century.
World War, 1939-1945--Underground movements--France.