Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S76] E-mails between Don Coutts and Jan Cooper from 8 September 2006.
- [S124] E-mails between Mike Daggett and Jan Cooper from 29 December 2021.
- [S131] E-mails between Dawn Robson and Jan Cooper from 5 November 2005.
- [S135] Emails between Alastair Mein Smith and Jan Cooper from 23 October 2009.
- [S136] E-mails between Josie Driver (Goon 2964) and Jan Cooper 16 January 2006.
- [S215] E-mails between Jane and Jan Cooper from 12 January 2008.
- [S217] E-mails between Pat Medved and Jan Cooper from 25 February 2008.
- [S237] Emails between Laurence Laffargue and Jan Cooper from 4 September 2008.
- [S240] Emails between Kirsty Whiteford and Jan Cooper from 29 October 2008.
- [S268] Emails between Monica Mabey and Jan Cooper from 14 September 2009.
- [S302] E-mails between Barbara J Jones and Jan Cooper from 1 August 2010.
- [S405] E-mails between Clemence Grigor and Jan Cooper from 18 November 2014.
- [S408] E-mails between Sheila Blatch and Jan Cooper from 5 May 2015.
- [S410] E-mails between Richard Christopher and Jan Cooper from 4 July 2015.
- [S419] Emails between Barbara Abbs and Jan Cooper from 12 February 2018.
- [S447] Emails between Ashley and Jan Cooper from 28 February 2021.
- [S8643] Letters between Brian Greathead and Jan Cooper from 20 January 2006.
- [S16465] Emails between Brenda Ann Christopher and Jan Cooper from 4 March 2006.
- [S16500] E-mails between Roger Brooks and Jan Cooper from 21 November 2018.
- [S22693] Emails between Dorothy McGowan née Wood and Jan Cooper from 21 April 2009.
- [S24280] Emails between Susan Davies née Stevens and Jan Cooper from 23 November 2009.
- [S26540] E-mails between Philip Hutchinson Hunt and Jan Cooper from 13 December 2019.
- [S29250] E-mails between Tracy Pepper and Jan Cooper from 14 November 2012.
- [S31112] E-mails between Robert Sakey and Jan Cooper from 5 August 2014.
- [S33432] E-mails between David Oliver and Jan Cooper from 9 February 2019.