Welcome to the Worldwide Greathead family my One-Name Study - Sources 28
- [S55] E-mails between Alan Littlefair and Jan Cooper from 23 February 2004.
- [S63] E-mails between Kate Taylor and Jan Cooper from 28 September 2011.
- [S92] E-mails between Bernice McMahon and Jan Cooper from 29 November 2011.
- [S120] E-mails between Judith Hall née Goldfinch and Jan Cooper from 19 September 2005.
- [S184] E-mails between Joan Stewart Lyons and Jan Cooper from 14 February 2007.
- [S185] E-mails between Phil Branson and Jan Cooper from 4 March 2007.
- [S192] E-mails between Len Lepper and Jan Cooper from 20 March 2007.
- [S197] E-mails between Gavin Rees and Jan Cooper 30 August 2007.
- [S208] E-mails between Lucy Gray and Jan Cooper 31 August 2006.
- [S228] Emails between Thomas Burgess and Jan Cooper from 4 July 2008.
- [S265] Emails between Adrian Hedges and Jan Cooper from 9 January 2008.
- [S294] Emails between Don Hansen and Jan Cooper from 3 October 2011.
- [S9953] E-mails between Marisa May Taylor née Little and Jan Cooper from 9 April 2008 title.
- [S10179] Emails between Angela Farnell née Tunley and Jan Cooper from 12 December 2003.
- [S10363] Emails between Mary Germaine Greathead and Jan Cooper from 20 July 2008.
- [S10370] Emails between Anne-mMarie Catherine Jensen and Jan Cooper from 10 November 2010.
- [S15664] Emails between Colin Johnson and Jan Cooper from 28 August 2005.
- [S17265] Emails between Melissa Banthorpe and Jan Cooper from 15 September 2006.
- [S20416] Emails between Sally (Alice) Dingwall née Smith and Jan Cooper 5 February 2008.
- [S21918] Emails between Dan Grey and Jan Cooper from 17 January 2009.
- [S25656] E-mails between Jacqueline Rhodes née Straw and Jan Cooper from 7 September 2010.
- [S26387] E-mails between Merle Lord née Williams and Jan Cooper from 4 January 2011.
- [S26436] Emails between John Amatt and Jan Cooper from 12 January 2011.
- [S26514] Emails between Carole Hamilton and Jan Cooper from 9 February 2011.
- [S27326] Emails between Anne Clarke and Jan Cooper from 30 September 2011.