Analysis of information sources in references of the Wikipedia article "Paedophile Information Exchange" in English language version.
Joy was a member of the Paedophile Information Exchange (PIE), an international organisation of people who trade obscene material.
... the National Front took a lead in disrupting public meetings of PIE ...
Quick to disagree were those who cancelled $2500 worth of reservations overnight ...
Mr O'Caroll ... under attack by an angry mother at a public house after being ejected from a conference on love and attraction...