Welcome to the Worldwide Greathead family my One-Name Study - Sources 15
- [S16] E-mails between Tim Smellie and Jan Cooper from 27 Nov 2003.
- [S32] E-mails between Susan Martin and Jan Cooper from 16 March 2003.
- [S140] E-mails between David Olton and Jan Cooper from 7 April 2006.
- [S189] E-mails between William Stuart Hamilton Cameron and Jan Cooper from 27 April 2007.
- [S196] E-mails between Terry desouza and Jan Cooper from 27 August 2007.
- [S203] E-mails between Colin Robinson and Jan Cooper from 28 July 2003.
- [S320] Emails between Desta Hall and Jan Cooper from 11 February 2011.
- [S334] E-mails between Dalton Arne Edwards and Jan Cooper from 12 June 2011.
- [S2890] Emails between Peter Shattock and Jan Cooper from 14 June 2007.
- [S2927] E-mails between Phillip Pare and Jan Cooper from 2 September 2008.
- [S2939] Emails between Caroline M Greathead Wood and Jan Cooper 12 January 2006.
- [S2977] Emails between David E K Greathead and Jan Cooper from 4 January 2006.
- [S3339] Emails between Tony Greathead and Jan Cooper from 10 April 2001.
- [S4988] Letters between John Greathead and Jan Cooper from 2 March 2003.
- [S9590] Emails between Kathy Nicholson and Jan Cooper from 15 December 1997.
- [S10884] Emails between Andy Cippico and Jan Cooper from 20 December 2004 see also his website www.cippico.com.
- [S10886] Emails between Helen Claire Sherlock née Cippico and Jan Cooper from 28 December 2007.
- [S12294] Emails between Maureen Cremmin née Greathead and Jan Cooper from 8 December 20004.
- [S15668] Emails between Richard Johnson and Jan Cooper from 1 December 2008.
- [S16857] Emails between Angelique Greathead and Jan Cooper from 16 April 2006.
- [S17913] Emails between Diane Daphne Greathead née Burness and Jan Cooper from 21 January 2007.
- [S18572] Emails between Cathy Goll and Jan Cooper 9 March 2006.
- [S24246] Emails between David Randal Tunley and Jan Cooper from 4 August 2009.
- [S25399] Emails between Dennis Frere-Smith and Jan Cooper from 9 August 2010.
- [S40047] US Social Security Death Index.