Columbia subject headings:
Reality--Drama--Congresses.
Theater--21st century--Themes, motives--Congresses.
Harvard subject headings:
Reality in art--Congresses.
Theater--Production and direction--Congresses.
Princeton subject headings:
Drama.
Realism in literature--Congresses.
Reality--Drama--Congresses.
Theater--21st century--Themes, motives--Congresses.