Welcome to the Worldwide Greathead family my One-Name Study - Sources
- [S11] Electoral listings from many sources.
- [S68] E-mails between Denise Oliver and Jan Cooper from 23 September 1996.
- [S141] E-mails between Susan Watkins and Jan Cooper from 13 April 2006.
- [S157] E-mails between Neil Thomas and Jan Cooper from 17 October 2006.
- [S396] E-mails between Grace Humphries and Jan Cooper from 4 Sepember 2013.
- [S1682] Letters between Gladys Brooks née Greathead and Jan Cooper from 30 September 2002.
- [S1691] Letters between Albert Greathead and Jan Cooper from 28 October 1996.
- [S1696] Letters between J A A Greathead and Jan Cooper from 23 September 1996.
- [S1698] Letters between Anthony Greathead and Jan Cooper from 15 August 1996.
- [S1704] Letters between William Brian (Brian) Greathead and Jan Cooper from 10 March 1997.
- [S1707] Letters between Cecil Greathead and Jan Cooper from 27 March 1997.
- [S1710] Letters between Trevor Greathead and Jan Cooper from 2 March 2003.
- [S1754] Letters between Peter J Greathead and Jan Cooper from 23 September 1996.
- [S1766] Letters between Gladys Greathead and Jan Cooper from 23 September 1996.
- [S1779] E-mails between John Greathead and Jan Cooper from 30 September 2002.
- [S1846] E-mails between Ashleigh Greathead and Jan Cooper from 10 October 2002.
- [S2971] Emails between Eileen Mowat née Greathead and Jan Cooper from 27 May 2003.
- [S4176] Emails between Audrey Summerill and Jan Cooper from 30 September 2002 Sadly Audrey died in 2007.
- [S7286] E-mails between Elsa M Greathead and Jan Cooper from 28 May 2017.
- [S12084] Emails between Danielle Harvey and Jan Cooper from 12 June 2006.
- [S14856] Emails between George Robson and Jan Cooper from 11 October 2005.
- [S21353] Letters between Ursula Fearne and Jan Cooper from 2002.
- [S24542] Emails between Giles Eric Calder Bate and Jan Cooper from 6 January 2010.
- [S41860] US Census 1860 - 1 June 1860.
- [S41880] US Census 1880 - 10 June 1880.