ADM |
Admiralty |
APP |
Archives de la Préfecture de Police (Paris) |
BL |
British Library |
BT |
Board of Trade |
CAB |
Cabinet Office |
HO |
Home Office |
FO |
Foreign Office |
GARF |
State Archive of the Russian Federation |
MEPO |
Metropolitan Police |
MO3 |
Military Operations 3 |
MO5 |
Military Operations 5 |
MIIC |
Military Intelligence IC (see SIS) |
MI5 |
Military Intelligence 5 (The Security Service) |
NID |
Naval Intelligence Department/Division |
PRO |
Public Record Office (now TNA – The National Archives) |
SIS |
Secret Intelligence Service (MIIC, now MI6) |
SSB |
Secret Service Bureau |
TCD |
Trinity College, Dublin |
TNA |
The National Archives (Kew) |
WO |
War Office |