Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S20] Letters between Eileen Huby and Jan Cooper from 14 February 2001.
- [S107] E-mails between Paul Dwerryhouse and Jan Cooper from 8 March 2005.
- [S121] E-mails between Janet Curry and Jan Cooper from 13 January 2014.
- [S146] E-mails between Carl David Greathead and Jan Cooper from 15 August 1996.
- [S153] E-mails between Dean Buckner and Jan Cooper from 29 April 2005.
- [S339] Emails between Olwyn Hart and Jan Cooper from 3 August 2011.
- [S344] E-mails between Penny Rowell and Jan Cooper from 6 January 2011.
- [S349] E-mails between Peter Lamb and Jan Cooper from 19 January 2007.
- [S438] E-mails between John Edwin Birks and Jan Cooper from 10 July 2006.
- [S531] E-mails between Albert George Usher and Jan Cooper from 15 January 2009.
- [S805] Letters between Robin Verrill and Jan Cooper from 30 December 2000.
- [S3747] Emails between John Greathead and Jan Cooper from 30 June 2001.
- [S4791] Emails between Jean Emily Makin née Geathead and Jan Cooper from 13 March 2003.
- [S11255] Emails between Richard Curchin and Jan Cooper from 16 March 2004.
- [S19464] Emails between William Francis Newman and Jan Cooper from 10 December 2007.
- [S20230] Emails between Carolyn Foley née Floyd and Jan Cooper from 4 January 2008.
- [S21345] Emails between Deborah Tate née McDonald and Jan Cooper from 2 September 2008.
- [S34536] E-mails between Bev Detoeuf and Jan Cooper from 24 July 2020 Mother KA Maureen Morris.
- [S40002] The National Archives, Kew (TNA).
- [S40024] Www.durhamrecordsonline.com/search.php.
- [S40029] The Genealogist website.
- [S40051] CDs from Family History Societies.
- [S45001] General Register Office, Information taken from Birth certificate of daughter.
- [S47001] General Register Office, Information taken from Death certificate of daughter.
- [S47007] Water under the Bridge by P J Heyman.