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