Columbia subject headings:
Civilization, Modern--20th century--Congresses.
Intellectual life--History--20th century--Congresses.
World War, 1914-1918--Art and the war--Congresses.
World War, 1914-1918--Influence--Congresses.
World War, 1914-1918--Literature and the war--Congresses.
World War, 1914-1918--Science--Congresses.
World War, 1914-1918--Social aspects--Congresses.
Harvard subject headings:
World War, 1914-1918--Art and the war--Congresses.
World War, 1914-1918--Influence--Congresses.
World War, 1914-1918--Literature and the war--Congresses.
Princeton subject headings:
Civilization, Modern--20th century--Congresses.
Intellectual life--History--20th century--Congresses.
World War, 1914-1918--Art and the war--Congresses.
World War, 1914-1918--Influence--Congresses.
World War, 1914-1918--Literature and the war--Congresses.
World War, 1914-1918--Science--Congresses.
World War, 1914-1918--Social aspects--Congresses.