Welcome to the Worldwide Greathead family my One-Name Study - Sources 10
- [S48] E-mails between Mary Round née Carroll and Jan Cooper from 6 January 2004.
- [S49] E-mails between Barbara Corcoran and Jan Cooper from 23 February 2004.
- [S144] E-mails between Linda Hirons and Jan Cooper from 10 May 2006.
- [S198] E-mails between Judy Dickson and Jan Cooper from 5 October 2007.
- [S212] E-mails between Adam and Jan Cooper from 3 January 2008.
- [S258] Emails between Paul Price and Jan Cooper from 26 March 2009.
- [S274] E-mails between Scott Stedman and Jan Cooper from 02 August 2009.
- [S304] Emails between Treena and Jan Cooper from 29 August 2010.
- [S4267] Letters between Charles H Greathead and Jan Cooper from 2 March 2003.
- [S5163] Emails between George Greathead and Jan Cooper from 2 March 2003.
- [S5595] Emails between Anne Dunlop née Greathead and Jan Cooper from 16 March 2003.
- [S6866] Emails between Wayne Stuart Hall and Jan Cooper from 9 May 2006.
- [S8780] Emails between Marissa Tomkins and Jan Cooper from 3 October 2003.
- [S10201] Emails between Dr Graham Hogg and Jan Cooper 10 November 1999.
- [S10203] Emails between Germaine Greathead and Jan Cooper from 6 January 2004.
- [S13312] Emails between Marie Smith née Greathead and Jan Cooper from 16 March 2005.
- [S16463] Emails between Gillian Weeks née Brooks and Jan Cooper 7 February 2006.
- [S16525] Emails between Pauline King née Musgrave formerly Poulton and Jan Cooper 7 March 2006.
- [S18446] Emails between Yrsa Greated and Jan Cooper from 20 April 2007.
- [S40002] The National Archives, Kew (TNA).
- [S40004] Yorkshire Births, Marriages and Deaths - www.yorkshirebmd.org.uk.
- [S40030] Ancestry - www.family search.org - Cambridge University Alumni 1261-1900, Venn, J. A., comp. Alumni Cantabrigienses. London: Cambridge University Press, 1922-1954.
- [S40038] Guildhall Library.
- [S41920] US Census 1920 (T625) - 5 January 1920.
- [S46003] Copy of Australian marriage certificate.