Harry Boland’s Irish Revolution by David Fitzpatrick   – Pages182, 212

Belfast in the 1930’s Oral History page 170

Irish Century page 97

Popular Mechanics January 1921

Gun that made the Twenties Roar by Helmer pages53-66

Ultimate Thompson by Tracie Hill – pages 103-116

Thompson:The American Legend by Tracie Hill pages 51-66

Cork Examiner 30th December 1920

Guerilla days in Ireland by Tom Barry page 189-190, 193

Michael Collins by T P Coogan page 168

Voices and Sound of Drums by Shea pages 78-79

McGarrity papers, pages 98-99

Michael Collin by Piearas Beaslai vol 1 pages 45,62 vol 2 page184, 215

Irish Sword various – V111 no 31 (Winter1967) – X1X no 77 (Summer 1995), XX1 no 84 (Winter 1998), and No 89 (Summer 2001)

Michael Collins and the Brotherhood – Vincent MacDowell page 80

The IRA at War 1916-23 by Peter Hart pages 178-193