The following abbreviations have been used:
|
Foreign Office |
(FO) |
|
Government Code and Cypher School Files Bletchley Park |
(GCCS) |
|
Imperial War Museum |
(IWM) |
|
Lloyd Owen papers |
(LOP) |
|
Security Service Files |
(KV) |
|
Public Record Office |
(PRO) |
|
War Office |
(WO) |