Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S110] E-mails between Colin Spencelayh and Jan Cooper from 10 April 2005.
- [S273] E-mails between Diane Conrad and Jan Cooper from 6 July 2010.
- [S1720] Letters between Doreen M Greathead née Batten and Jan Cooper from 15 July 1996.
- [S1728] Letters between Edward Greathead and Jan Cooper from 10 March 1997.
- [S1734] Letters between Gordon Greathead and Jan Cooper from 30 September 2002.
- [S1741] Letters between James Greathead and Jan Cooper from 28 October 1996.
- [S1742] Letters between John Greathead and Jan Cooper from 15 August 1996.
- [S1751] Letters between Nathan Greathead and Jan Cooper from 10 March 1997.
- [S1757] Letters between Ralph Greathead and Jan Cooper from 23 March 1997.
- [S1896] Letters between Andrew Greathead and Jan Cooper from 2 March 2003.
- [S2867] Emails between Richard Greathead and Jan Cooper from 9 June 2003.
- [S2883] Letters between James Greathead and Jan Cooper from March 2003.
- [S3038] Emails between Kathryn Devine and Jan Cooper from 27 February 2014.
- [S3704] Letters between Laurence Greathead and Jan Cooper from 1 May 2003.
- [S3996] Letters between Jack Greathead and Jan Cooper from 10 March 1997.
- [S4027] Emails between Mary Greathead née Bradley and Jan Cooper from 2 March 2003.
- [S6239] Emails between Claire McGeorge née Greathead and Jan Cooper from 22 May 2003.
- [S7046] Letters between Patricia Greathead née McGregor and Jan Cooper from 27 March 1997.
- [S8566] Emails between Tom Greathead (Thomas William) and Jan Cooper from 19 November 2007.
- [S8592] Letters between Iris Campbell née Greathead and Jan Cooper from 26 September 2003.
- [S9369] Emails between Malcolm Tunley and Jan Cooper from 7 December 2003.
- [S11922] Emails between Heather Barker née Greathead and Jan Cooper from 22 September 2004.
- [S12345] Emails between Nigel Hicks and Jan Cooper from 18 December 2004.
- [S40014] Llanyblodwell churchyard records from Shropshire Family History Society.
- [S40044] Register of Seamen's Services at The National Archives.