Welcome to the Worldwide Greathead family my One-Name Study - Sources 9
- [S13] E-mails between Norma and Jan Cooper from 19 December 1999.
- [S81] E-mails between Heather Wright and Jan Cooper from 31 December 2001.
- [S94] E-mails between Colin King and Jan Cooper from 9 January 2005.
- [S232] Emails between David Finn and Jan Cooper from 29 June 2008.
- [S243] Emails between Ruth Jopling and Jan Cooper from 13 November 2008.
- [S1950] Letters between Anselm Nye - archivist Daughters of the Cross about Theresa Greathead (Sister Edwardine) and Jan Cooper from 22 July 2004.
- [S1953] Letters between Anselm Nye - archivist Daughters of the Cross about Theresa Greathead (Sister Bonaventure) and Jan Cooper from 22 July 2004.
- [S3194] Letters between Owen Greathead and Jan Cooper from 15 July 1996.
- [S3955] Letters between Nina Gibson née May and Jan Cooper from 2 May 2003.
- [S4196] Letters between Hazel Russell née Greathead and Jan Cooper from 24 July 2003.
- [S4216] Emails between Tony Meighan and Jan Cooper from 8 May 2000.
- [S4233] Emails between Walter Greathead and Jan Cooper from 2 March 2003.
- [S4310] Letters between Ronald Greathead and Jan Cooper from 2 March 2003.
- [S4332] Emails between Anne Marie Morgan and Jan Cooper from 25 September 2007.
- [S4343] Letters between Roy and May Greathead and Jan Cooper from 2 March 2003.
- [S4799] Emails between Alan Greathead and Jan Cooper from 2 March 2003.
- [S5344] Emails between Laraine Coombes née Greathead and Jan Cooper from 3 October 2003.
- [S5984] Emails between Kathleen Lopez and Jan Cooper from 20 January 2001.
- [S8618] Emails between Peter Greathead and Jan Cooper from 21 May 1996.
- [S10916] Emails between Gordon Quinney and Jan Cooper from 26 May 2007.
- [S11864] Emails between Andrea Goodall née Clasper and Jan Cooper from 24 August 2004.
- [S18526] Emails between Catherine Barr and Jan Cooper from 26 May 2007.
- [S40050] Author,The Original Records website.
- [S41900] US Census 1900 (T623) - 1 June 1900.
- [S41913] Canada Census 1911 - 1 June 1911.