Welcome to the Worldwide Greathead family my One-Name Study - Sources 3
- [S7] Ancestry.com.
- [S24] E-mails between Ann Downing and Jan Cooper from 9 November 2000.
- [S28] E-mails between John Spence-Ord and Jan Cooper from 15 November 2000.
- [S41] E-mails between Barbara Tunley and Jan Cooper from 21 August 2003.
- [S106] E-mails between Sue and Jan Cooper from 16 March 2005.
- [S108] E-mails between Elaine Patterson and Jan Cooper from 7 April 2005.
- [S146] E-mails between Carl David Greathead and Jan Cooper from 15 August 1996.
- [S153] E-mails between Dean Buckner and Jan Cooper from 29 April 2005.
- [S181] PJ Heyman, Water under the Bridge (Part one: The Early Years).
- [S317] Emails between Tanya Smythe and Jan Cooper from 29 January 2011.
- [S536] E-mails between Stephen J Walker and Jan Cooper from 29 April 1999.
- [S588] E-mails between Neil Mallam and Jan Cooper from 8 November 2000.
- [S4528] E-mails between Roger Lamb and Jan Cooper from 3 January 2011.
- [S10492] Emails between Lynne Corbett and Jan Cooper from 29 January 2004.
- [S19579] Pamela Jean Heyman from her book Water under the Bridge.
- [S20022] Emails between Gregory Weekes and Jan Cooper from 13 March 2009.
- [S20948] E-mails between Dr Simon M Strafford and Jan Cooper 17 January 2006.
- [S40013] Family History Resource File - National Burial Index - CD.
- [S40024] Www.durhamrecordsonline.com/search.php.
- [S40026] Hartlepool Library.
- [S40029] The Genealogist website.
- [S40043] Record Office.
- [S45002] General Register Office, Information taken from Birth certificate of son.
- [S46001] General Register Office, Information taken from Marriage certificate of daughter.
- [S46002] General Register Office, Information taken from Marriage certificate of son.