In light of the recent publicity around the memoir that a British howitzer team bombarded the Four Courts;
Memoir suggests British army at opening shots of Civil War - The Irish Times - Tue, Oct 30, 2012
This is an article on the role British forces played in the civil war.
British Military Involvement in the Irish Civil War | The Irish Story
In concludes 'it would have humiliated the Empire to grant an independent Irish republic and to admit defeat. Given the military aid, direct and indirect that the British were prepared to give, the Irish Civil War could only have ended one way'
But also that, 'many pro-Treatyites, allegedly those who were doing Britainís bidding, did not see what they were doing in the same light as their British allies at all.'