Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S43] E-mails between Janet Proctor and Jan Cooper from 3 November 2003.
- [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.
- [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.
- [S228] Emails between Thomas Burgess and Jan Cooper from 4 July 2008.
- [S265] Emails between a very kind sole who wishes no recognition and Jan Cooper from 9 January 2008.
- [S294] Emails between Don Hansen and Jan Cooper from 3 October 2011.
- [S9382] Emails between Wyn Tunley and Jan Cooper from 13 December 2003.
- [S9530] Emails between Jane Dreyfuss née Simpson and Jan Cooper from 1 August 2009.
- [S9535] E-mails between Anthony Hinds and Jan Cooper from 12 May 2018.
- [S9953] E-mails between Marisa May Taylor née Little and Jan Cooper from 9 April 2008.
- [S13340] Emails between Tim Stone and Jan Cooper from 16 March 2005.
- [S15664] Emails between Colin Johnson and Jan Cooper from 28 August 2005.
- [S17265] Emails between Melissa Banthorpe and Jan Cooper from 15 September 2006.
- [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.
- [S26514] Emails between Carole Hamilton and Jan Cooper from 9 February 2011.
- [S27326] Emails between Anne Clarke and Jan Cooper from 30 September 2011.
- [S31545] E-mails between Andy Burgess and Jan Cooper from 11 July 2015.
- [S33257] E-mails between Gill Loughnan née Burgess and Jan Cooper from 26 September 2018.