Oral Answers to Questions — Civil Defence. – in the House of Commons at on 22 May 1941.
Commander Robert Bower
, Cleveland
asked the Home Secretary on what date the instructions with regard to detentions under Regulation 18B [Cmd. 6162, 1940] were communicated to the governor of Brixton Prison?
Mr Herbert Morrison
, Hackney South
On 26th February, 1940, two days before the detainees were transferred to his custody from Wands-worth Prison.