Columbia subject headings:
Limburg (Netherlands)--History.
World War, 1939-1945--Campaigns--Netherlands--Limburg.
World War, 1939-1945--Evacuation of civilians--Netherlands--Limburg.
Harvard subject headings:
Limburg (Netherlands)--History.
World War, 1939-1945--Campaigns--Netherlands--Limburg.
World War, 1939-1945--Evacuation of civilians--Netherlands--Limburg.
Princeton subject headings:
Limburg (Netherlands)--History.
World War, 1939-1945--Campaigns--Netherlands--Limburg.
World War, 1939-1945--Evacuation of civilians--Netherlands--Limburg.