Columbia subject headings:
French literature--20th century--History and criticism.
German literature--20th century--History and criticism.
World War, 1914-1918--Literature and the war.
Harvard subject headings:
French literature--20th century--History and criticism
German literature--20th century--History and criticism
World War, 1914-1918--France--Literature and the war
World War, 1914-1918--Germany--Literature and the war
World War, 1914-1918--Literature and the war
Princeton subject headings:
French literature--20th century--History and criticism.
German literature--20th century--History and criticism.
World War, 1914-1918--France--Literature and the war.
World War, 1914-1918--Germany--Literature and the war.