Columbia subject headings:
Harvard subject headings:
Borderlands--Belgium--History--20th century--Congresses.
Borderlands--Germany--History--20th century--Congresses.
Borderlands--Luxembourg--History--20th century--Congresses.
Collective memory--Meuse River Region--History--20th century--Congresses.
Collective memory--Rhine River Region--History--20th century--Congresses.
World War, 1939-1945--Social aspects--Meuse River Region--Congresses.
World War, 1939-1945--Social aspects--Rhine River Region--Congresses.
Princeton subject headings:
Borderlands--Europe, Western--History--20th century--Congresses.
Collective memory--Europe, Western--History--20th century--Congresses.
Europe, Western--History--20th century--Congresses.
War and civilization--Europe, Western--20th century--Congresses.
World War, 1914-1918--Social aspects--Europe, Western--Congresses.
World War, 1939-1945--Social aspects--Europe, Western--Congresses.