A file of reports and correspondence concerning censorship and the interception of letters carried in diplomatic bags. Among the topics of discussion in this file are the hiring of staff for censorship in the Middle East, including letters questioning the reliability of a Professor Gerothwohl; correspondence discussing the interception and opening of the Spanish diplomatic bag; examples of Italian diplomatic telegrams recovered from the Spanish diplomatic bag, discussing a number of subjects including the possibility of a British invasion of Morocco; the monitoring of diplomatic communications, including of the Polish government in exile; and security breaches in British censorship organisations.