4th report of session 2014-15 : Data Retention and Investigatory Powers Bill /
Great Britain.Parliament.House of Lords.Delegated Powers and Regulatory Reform Committee.
Stationery Office (Great Britain)
London : Stationery Office,
2014.
HL Paper 28.
"Session 2014-15".
"Ordered to be printed 16 July 2014 and published 17 July 2014".
Title from cover.