Source-led reading note · Official history · MI6
MI6: The History of the Secret Intelligence Service 1909–1949
The first four decades of SIS provide essential context for understanding British foreign intelligence—not a guide to current operations.
Keith Jeffery
Subject and context
The authorised account of the first four decades of Britain’s foreign intelligence service, including two world wars.
Formats & listening
Edition details and access conditions can differ by provider and territory. Printed or digital text is useful for checking citations, names and visual evidence even when listening.
Sources & edition details
Continue on this shelf
The Spy and the Traitor
A source-centred Cold War narrative for studying the relationship between personal motivation, trust and operational risk.
Reading note Ben MacintyreAgent Zigzag
Eddie Chapman’s double-agent story is a useful case for examining loyalty, deception and the source–service relationship.
Reading note Christopher AndrewThe Defence of the Realm
An authorised history that places individual MI5 cases in their institutional context. Official archival access supports the account but does not make the record complete.
Reading note