Columbia subject headings:
Drama--19th century--History and criticism.
Drama--20th century--History and criticism.
Historical drama--History and criticism.
Mary, Queen of Scots, 1542-1587--In literature.
Harvard subject headings:
Drama--19th century--History and criticism
Drama--20th century--History and criticism
Historical drama--History and criticism.
Mary, Queen of Scots, 1542-1587--In literature.
Scotland--In literature.
Princeton subject headings: