Columbia subject headings:
World War, 1914-1918--Economic aspects.
World War, 1914-1918--Literature and the war.
World War, 1914-1918--Propaganda.
World War, 1914-1918--Public opinion.
World War, 1914-1918--Social aspects.
Harvard subject headings:
World War, 1914-1918--Economic aspects
World War, 1914-1918--Literature and the war
World War, 1914-1918--Propaganda
World War, 1914-1918--Public opinion
World War, 1914-1918--Social aspects.
Princeton subject headings:
World War, 1914-1918 in literature.
World War, 1914-1918--Economic aspects.
World War, 1914-1918--Propaganda.
World War, 1914-1918--Public opinion.
World War, 1914-1918--Social aspects.