Columbia subject headings:
Harvard subject headings:
Emotions--Exhibitions.
War--Psychological aspects--Exhibitions.
World War, 1914-1918--Psychological aspects--Exhibitions.
Princeton subject headings:
World War, 1914-1918--Moral and ethical aspects--Exhibitions.
World War, 1914-1918--Psychological aspects--Exhibitions.
World War, 1914-1918--Social aspects--Exhibitions.