Columbia subject headings:
Literature and society.
Poetry--History and criticism.
Harvard subject headings:
American poetry--20th century--History and criticism
American poetry--21st century--History and criticism.
Oral interpretation of poetry--History--20th century.
Oral interpretation of poetry--History--21st century.
Poetry, Modern--20th century--History and criticism
Poetry--Appreciation--United States--History--20th century
Poetry--Appreciation--United States--History--21st century.
Princeton subject headings:
Poetry, Modern--20th century--History and criticism.