Columbia subject headings:
World War, 1939-1945--Underground movements--France--Yonne.
Yonne (France)--History.
Harvard subject headings:
World War, 1939-1945--Underground movements--France--Yonne.
Yonne (France)--History.
Princeton subject headings:
World War, 1939-1945--Underground movements--France--Yonne.
Yonne (France)--History.