Columbia subject headings:
American drama--History and criticism.
American poetry--History and criticism.
English drama--History and criticism.
English poetry--History and criticism.
Harvard subject headings:
American drama--History and criticism
American poetry--History and criticism
Civilization, Medieval, in literature.
English drama--History and criticism
English poetry--History and criticism
Verse drama, American--History and criticism--Theory, etc.
Verse drama, English--History and criticism--Theory, etc.
Princeton subject headings:
Civilization, Medieval, in literature.
Verse drama, American--History and criticism--Theory, etc.
Verse drama, English--History and criticism--Theory, etc.