Columbia subject headings:
Didactic drama, English.
Drama--Technique.
English drama--History and criticism.
English language--Study and teaching.
Harvard subject headings:
Didactic drama, English.
Drama--Technique
English drama--History and criticism
English drama--Study and teaching.
English language--Study and teaching
Princeton subject headings:
Didactic drama, English.
Drama--Technique.
English drama--History and criticism.
English drama--Study and teaching.
English language--Study and teaching.