Free speech and the public telephone network / Jerry Berman ; produced by Gregg McVicar.

Series which explores how changes in communication and information technologies are encroaching upon the individuals right to privacy.|FREE SPEECH AND THE PUBLIC TELEPHONE NETWORK / Jerry Berman| produced by Gregg McVicar. SERIES: Computers, freedom, and privacy| no. 4 Series which explores how changes in communication and information technologies are encroaching upon the individuals right to…