Columbia subject headings:
Beckett, Samuel, 1906-1989--Criticism and interpretation.
Bernhard, Thomas--Criticism and interpretation.
Harvard subject headings:
Beckett, Samuel, 1906-1989--Dramatic works.
Bernhard, Thomas--Dramatic works.
Drama--Technique
Theater--History.
Princeton subject headings:
Beckett, Samuel, 1906-1989--Dramatic works.
Bernhard, Thomas--Dramatic works.
Drama--Technique.
Theater--History.