Historic interest

Truly obsolete...

A History of British Phreaking

Confessions of a Phone Phreak from Undercurrents

Insight on Phone Phreaks, from the Sunday Times (15th October 1972), corrected by Tony Fisher

New Scientist article from 1973

Report From Merrie England from TAP #43 (1977)

British Phone System Rigged for Free Calls, from YIPL #15

Update From England, from TAP #51 (1978)

The Hackers Handbook (incomplete)