Columbia subject headings:
English drama--20th century--History and criticism.
Moralities, English--History and criticism.
Religious drama, English.
Harvard subject headings:
English drama--19th century--History and criticism
English drama--20th century--History and criticism
Moralities, English--History and criticism.
Religious drama, English.
Princeton subject headings:
English drama--19th century--History and criticism.
English drama--20th century--History and criticism.
Moralities, English--History and criticism.
Religious drama, English.