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