Columbia subject headings:
AT & T (Firm)
Broadcasting--Mergers--United States.
Communication and traffic--Mergers--United States.
Consolidation and merger of corporations--United States.
Information services industry--Mergers--United States.
Tele-Communications, Inc.
Telecommunication--Mergers--United States.
Harvard subject headings:
AT & T (Firm)
AT & T.
Broadcasting--Mergers--United States.
Communication and traffic--Mergers--United States.
Consolidation and merger of corporations--United States.
Information services industry--Mergers--United States.
Tele-Communications, Inc.
Telecommunication--Mergers--United States.
Princeton subject headings:
AT & T (Firm)
Broadcasting--Mergers--United States.
Communication and traffic--Mergers--United States.
Consolidation and merger of corporations--United States.
Information services industry--Mergers--United States.
Tele-Communications, Inc.
Telecommunication--Mergers--United States.