Namensvarianten
AT and T ; AT & T ; American Telephone and Telegraph Company (New York, NY) ; AT & T (American Telephone and Telegraph Company, New York, NY) ; AT and T (American Telephone and Telegraph Company, New York, NY) ; Bell System (New York, NY) ; Amerika Denwa Denshin Kaisha (New York, NY) ; Bell Telephone System (New York, NY) ; Telephone and Telegraph Company (New York, NY) ; AT&T