Columbia subject headings:
Harvard subject headings:
Europe--History--20th century--Exhibitions.
Europe--Intellectual life--20th century--Exhibitions.
World War, 1914-1918--Influence--Exhibitions.
World War, 1939-1945--Economic aspects--Europe--Exhibitions.
World War, 1939-1945--Social aspects--Europe--Exhibitions.
Princeton subject headings:
Europe--History--20th century--Exhibitions.
Europe--Intellectual life--20th century--Exhibitions.
World War, 1914-1918--Influence--Exhibitions.
World War, 1939-1945--Economic aspects--Europe--Exhibitions.
World War, 1939-1945--Social aspects--Europe--Exhibitions.