Columbia subject headings:
Harvard subject headings:
Boundaries in literature.
English literature--20th century--History and criticism
English literature--21st century--History and criticism.
Literature, Modern--History and criticism
Politics and literature.
Space in literature.
Princeton subject headings:
Boundaries in literature.
English literature--20th century--History and criticism.
English literature--21st century--History and criticism.
Literature, Modern--History and criticism.
Politics and literature.
Space in literature.