Columbia subject headings:
Authors, German--20th century--Political and social views--Congresses.
Disarmament in literature--Congresses.
Peace in literature--Congresses.
Harvard subject headings:
Fiction--20th century--History and criticism
Pacifism.
Peace in literature.
Peace movements--History--20th century.
Political fiction.
Politics and literature.
Princeton subject headings:
Fiction--20th century--History and criticism.
Peace movements--History--20th century.
Political fiction--History and criticism.
Politics and literature.
Politics in literature.