The Free On-line Dictionary of Computing (30 December 2018):

Bell Laboratories
AT&T Bell Labs
Bell Labs

   One of AT&T's research sites, in Murray Hill, New Jersey,
   USA.  It was the birthplace of the transistor, Unix, C
   and C++ and the current home of research on Plan 9 and
   ODE.

   AT&T Research (http://research.att.com/).

   (ftp://ftp.research.att.com/).

   netlib sources (ftp://netlib.att.com).

   (1994-11-17)