Columbia subject headings:
American drama--20th century--History and criticism.
Dramatists, American--20th century--Interviews.
Harvard subject headings:
American drama--20th century--History and criticism
American drama--20th century--History and criticism--Theory, etc.
Dramatists, American--20th century--Interviews
Playwriting.
Princeton subject headings:
American drama--20th century--History and criticism.
Dramatists, American--20th century--Interviews.
Interviews.