Guilt and Penance in Northern Ireland
https://www.nytimes.com/1983/08/21/books/no-headline-104711.html
New York Times review of Cal from the time of its original publication.
At The Movies: 'Cal' director tries to focus on the tragic
New York Times review of the film adaptation of Cal.
The Northern Ireland Conflict 1968-1998
https://www.theirishstory.com/2015/02/09/the-northern-ireland-conflict-1968-1998-an-overview/
Lengthy summary of the history of the conflict in Northern Ireland across the span of three decades.
