617 Squadeon - The Operational Record Book 1943 - 1945互联网档案馆的存檔,存档日期2010-12-06. (pdf) with additional information by Tobin Jones; Binx Publishing, Pevensey House, Sheep Street, Bicester. OX26 6JF. Acknowledgement is given to HMSO as holders of the copyright on the Operational Record Book. Page 507
Saumur Tunnel, 9th June 1944. Royal Air Force Bomber Command 60th Anniversary. Ministry of Defence/Deltaweb International. [2007-05-24]. (原始内容存档于2004-09-29).
Saumur Tunnel, 9th June 1944. Royal Air Force Bomber Command 60th Anniversary. Ministry of Defence/Deltaweb International. [2007-05-24]. (原始内容存档于2004-09-29).
617 Squadeon - The Operational Record Book 1943 - 1945互联网档案馆的存檔,存档日期2010-12-06. (pdf) with additional information by Tobin Jones; Binx Publishing, Pevensey House, Sheep Street, Bicester. OX26 6JF. Acknowledgement is given to HMSO as holders of the copyright on the Operational Record Book. Page 507