Columbia subject headings:
World War, 1914-1918--Exhibitions--Congresses.
World War, 1914-1918--Monuments--Congresses.
World War, 1939-1945--Exhibitions--Congresses.
World War, 1939-1945--Monuments--Congresses.
Harvard subject headings:
Collective memory--Congresses.
World War, 1914-1918--Centennial celebrations, etc.--Congresses.
World War, 1914-1918--Congresses
World War, 1914-1918--Monuments--Congresses.
Princeton subject headings:
Collective memory--Congresses.
World War, 1914-1918--Centennial celebrations, etc.--Congresses.
World War, 1914-1918--Congresses.
World War, 1914-1918--Monuments--Congresses.