Telephone tapping in the Eastern Bloc

Telephone tapping in the Eastern Bloc was a widespread method of the mass surveillance of the population by the secret police.[1]

  1. ^ Secret Police Files from the Eastern Bloc: Between Surveillance and Life Writing (NED - New ed.). Boydell & Brewer. 2016. ISBN 978-1-57113-926-9. JSTOR 10.7722/j.ctt1kzccdr.