Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S52] E-mails between Claire Swann and Jan Cooper from 28 October 2006.
- [S182] E-mails between John Coates and Jan Cooper from 28 July 2007.
- [S186] E-mails between Chris Stewart and Jan Cooper from 19 March 2016.
- [S190] E-mails between Des Gander and Jan Cooper from 6 April 2007.
- [S193] E-mails between Caroline Hewson and Jan Cooper from 23 June 2007.
- [S199] E-mails between Ken Milner and Jan Cooper from 9 October 2007.
- [S211] E-mails between Jenny Johnson and Jan Cooper from 22 December 2007.
- [S214] E-mails between Thomas P. May and Jan Cooper from 4 January 2008.
- [S255] Emails between Sally Candido and Jan Cooper from 11 February 2009.
- [S282] E-mails between Joanne Stubbs and Jan Cooper from 16 March 2013.
- [S297] E-mails between David Short and Jan Cooper from 20 March 2010.
- [S299] E-mails between James Hogg and Jan Cooper from 30 October 2009.
- [S315] Emails between Brian Middleton and Jan Cooper from 12 January 2011.
- [S407] E-mails between Rudy Kenis and Jan Cooper from 21 May 2015.
- [S446] Emails between Chuck Soderlund and Jan Cooper from 1 January 2021.
- [S18975] Emails between Bob Greathead (Robert J) and Jan Cooper from 17 September 2007.
- [S19124] Emails between Justine Laws née Bennett and Jan Cooper from 12 October 2007.
- [S19203] Emails between John O'Farrell and Jan Cooper from 20 August 2007.
- [S22981] Emails between Margaret Atkinson and Jan Cooper from 28 October 2006.
- [S25086] E-mails between Allan Ferrier and Jan Cooper from 17 June 2010.
- [S26678] E-mails between Glen Greathead and Jan Cooper from 30 June 2012 Facebook.
- [S28856] E-mails between Andy Olliver and Jan Cooper from 9 May 2011.
- [S30292] E-mails between Bruce Greaves and Jan Cooper from 22 August 2013.
- [S34185] E-mails between Ken Taylor and Jan Cooper from 1 October 2021.
- [S34188] E-mails between Marie Boughton and Jan Cooper from 9 October 2021.