Welcome to the Worldwide Greathead family my One-Name Study - Sources 12
- [S90] E-mails between Sheila Poole and Jan Cooper from 8 December 2004.
- [S99] E-mails between Darryl Lundy and Jan Cooper from 20 February 2005.
- [S151] E-mails between Pauline Leeming and Jan Cooper from 16 June 2006.
- [S278] E-mails between Peter Finnemore and Jan Cooper from 3 November 2009.
- [S1788] Letters between Angus Levie and Jan Cooper from 30 September 2002.
- [S2433] Emails between Susan Langley and Jan Cooper from 22 January 2001.
- [S2491] Emails between Colin Greathead and Jan Cooper from 7 January 2001.
- [S3655] Emails between John Greathead and Jan Cooper from 1997.
- [S4220] Letters between Sylvia and John William Greathead and from Jan Cooper from 2 March 2003.
- [S4882] Emails between Robert George Greathead and Jan Cooper from 2 March 2003.
- [S5746] Letters between William Greathead and Jan Cooper from 1997.
- [S16279] Emails between John Fry and Jan Cooper 27 January 2006.
- [S19282] Emails between Lynn Boleyn and Jan Cooper from 12 November 2007.
- [S19373] Emails between Garry Boardman and Jan Cooper 9 December 2007.
- [S19654] Emails between Sheryl White née Stonehouse and Jan Cooper from 2007.
- [S21311] Emails between Gerry Gardner and Jan Cooper from 27 August 2008.
- [S21356] Emails between Nita Keates née Cooney and Jan Cooper from 4 September 2008.
- [S21492] E-mails between Trevor David Phillips and Jan Cooper from 13 July 2010.
- [S23707] E-mails between Claire Tupling and Jan Cooper from 5 September 2009 title.
- [S24046] Emails between Jane Finnemore and Jan Cooper from 31 January 2011.
- [S40007] One Great Family web site.
- [S40017] Www.findmypast.com - Passport application.
- [S40019] Genes Reunited.
- [S40046] British Library.
- [S41870] US Census 1870 - 20 June 1870.