Columbia subject headings:
English language--Versification.
Harvard subject headings:
American poetry--20th century--History and criticism
English language--Rhythm
English language--Versification
English poetry--20th century--History and criticism
Literary form--History--20th century
Poetics--History--20th century
Princeton subject headings:
American poetry--History and criticism.
English language--Rhythm.
English language--Versification.
English poetry--History and criticism.
Literary form.
Poetics.