Samankaltaisia teoksia: Black Book - General Telephone & Electronics Corporation (1974)
- Black Book - General Telephone & Electronics Corporation (1976)
- Black Book - Continental Telephone Corporation (1981)
- Black Book - Communications Satellite Corporation (1974)
- Black Book - Telephone Competition Revisited
- Black Book - Telephone Industry (May 1976)
- Black Book - Telephone Industry (April 1978)