Vintage Bell System Technical Journal 1977 Broadband Microwave Optical Fiber

1928 Bell Telephone System "Transatlantic Telephony -- The Technical Problem"

Vintage Bell System Technical Journal 1954 Volume 33, Number 1 Design of Relays

Vintage Bell System Technical Journal Sept 1981 Vol 60 No 7 Part 2 - DSP Chip

Vintage Bell System Technical Journal 1962 Analysis of Distortion (see below)

Vintage Bell System Technical Journal 1976 Optical Fiber and Switching Systems

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Vintage Bell System Technical Journal 1975 Fiber Optic Speech-Encoding Scheme