Columbia subject headings:
Drama--Bibliography--Catalogs.
New York Public Library. Research Libraries.
Theater--Bibliography--Catalogs.
Harvard subject headings:
Drama--Bibliography--Catalogs.
New York Public Library. Research Libraries
Theater--Bibliography--Catalogs.
Princeton subject headings:
Catalogs.
Drama--Bibliography--Catalogs.
New York Public Library. Research Libraries
Theater--Bibliography--Catalogs.