Columbia subject headings:
France--History--German occupation, 1940-1945--Congresses.
Lyon (France)--History--Congresses.
World War, 1939-1945--France--Congresses.
World War, 1939-1945--France--Lyon--Congresses.
Harvard subject headings:
France--History--German occupation, 1940-1945--Congresses.
Lyon (France)--History--Congresses.
World War, 1939-1945--France--Congresses.
World War, 1939-1945--France--Lyon--Congresses.
Princeton subject headings:
France--History--German occupation, 1940-1945--Congresses.
Lyon (France)--History--Congresses.
World War, 1939-1945--France--Congresses.
World War, 1939-1945--France--Lyon--Congresses.