UK terror attacks since 11 September 2001 | Westminster attack | The Guardian
Irish Republican Army (IRA) | History, Attacks, & Facts | Britannica
Omagh bombing - Wikipedia
46 years of terrorist attacks in Europe, visualized - Washington Post
Provisional Irish Republican Army campaign - Wikipedia
Country Reports on Terrorism 2019 - United States Department of State
Timeline of dissident republican activity - BBC News
IRA man tells the inside story of the Loughgall attack and the SAS ambush - The Irish News
Timeline of dissident republican activity - BBC News
Rory Carroll on his IRA bombing history 'There Will Be Fire' - Los Angeles Times
Irish Republican Army - Wikipedia
How much did British intelligence know about the IRA during the troubles?
Terrorism Timeline | since911.com
Birmingham pub bombings: IRA bomber names four men 'involved in' 1974 atrocity | UK | News | Express.co.uk
Timeline of dissident republican activity - BBC News
Timeline of dissident republican activity - BBC News
MMP: New Irish Republican Army | FSI
A look back at the 1996 IRA bombing in Manchester - ABC News
The 30 years of Northern Ireland's 'Troubles' | Reuters
