ADRIC Auxiliary Division Royal Irish Constabulary
AG Adjutant General (IRA)
AOH Ancient Order of Hibernians
BMH Bureau of Military History
CAB Cabinet (British)
CD Contemporary Documents (BMH)
CI County Inspector (RIC)
CO Colonial Office
CS Chief of Staff (IRA)
DED District Electoral Division
DELG Dáil Éireann Local Government
DI District Inspector (RIC)
DMP Dublin Metropolitan Police
DO Dominion Office
GHQ General Headquarters (IRA)
HA Home Affairs (Northern Ireland)
HO Home Office
IG Inspector General (RIC)
IGC Irish Grants Committee
IO Intelligence Officer (IRA)
IRA Irish Republican Army
IWM Imperial War Museum, London
JP Justice of the Peace
KCL Kerry County Library
LGB Local Government Board (British)
LHCMA Liddell Hart Centre for Military Archives, King’s College London
MAI Military Archives of Ireland, Dublin
MCR Monthly Confidential Report (RIC)
MD Minister for Defence (Dáil Éireann)
MHA Minister for Home Affairs (Dáil Éireann)
MP Member of Parliament (British)
MSPR Military Service Pension Record
NAI National Archives of Ireland, Dublin
NLI National Library of Ireland, Dublin
OC Officer Commanding
PAL Parliamentary Archives, London
PRONI Public Record Office of Northern Ireland, Belfast
RIC Royal Irish Constabulary
RM Resident Magistrate
RUC Royal Ulster Constabulary
SILRA Southern Irish Loyalist Relief Association
T Treasury
TCD Trinity College Dublin Manuscripts Department
TD Teachta Dáil (Member of Parliament, Irish)
TNA The National Archives, Kew
UCDA University College Dublin Archives
UIL United Irish League
USC Ulster Special Constabulary
UVF Ulster Volunteer Force
WO War Office
WS Witness Statement (BMH)