Columbia subject headings:
Harvard subject headings:
Europe--Antiquities.
Excavations (Archaeology)--Europe
World War, 1914-1918--Antiquities.
World War, 1939-1945--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Europe.
Soldiers' monuments.
World War, 1914-1918--Collectibles.
World War, 1939-1945--Collectibles.