Columbia subject headings:
Poetics.
Poetry, Modern--19th century--History and criticism.
Poetry, Modern--20th century--History and criticism.
Harvard subject headings:
Poetics.
Poetry, Modern--19th century--History and criticism
Poetry, Modern--20th century--History and criticism
Princeton subject headings:
Poetics.
Poetry, Modern--19th century--History and criticism.
Poetry, Modern--20th century--History and criticism.