- [S5] McINTOSH, Lorna.
- [S10] Hawkesbury Pioneer Register.
- [S18] BMD Queensland, Australia.
- [S20] Byrne, Robyn.
- [S44] Turnbull, Robert L.S.
- [S47] George Tancred of Weens, Rulewater & its People (Originally published in Edinburgh at The University Press by T. and A. Constable, Printers to His Majesty 1907.).
- [S48] Rookwood Cemetery.
- [S52] Census.
- [S55] World Family Tree Vol. 2, Ed. 1.
- [S67] Illawarra Pioneers Pre-1900.
- [S94] James Turnbull.ged.
- [S110] FTW - Davies.
- [S113] Amalie Lewis Tuffin.
- [S117] Gravestone.
- [S128] Headstone Data Harbour Deep Anglican Cemetery.
- [S134] Headstone, Ship Island Cemetery.
- [S136] Headstone Data Pike's Arm - St. Paul's Anglican.
- [S193] Madeleine, "E-Mail from Madeleine Wardman," e-mail message from e-mail address (Australia) to Brian Turnbull, Nov 2005 and 2008. Hereinafter cited as "E-Mail - Madeleine Wardman."
- [S218] Myrna J. Coubrough, "E-Mail from Myrna J. Coubrough," e-mail message from e-mail address (Kingston, Ontario, Canada.) to Brian Turnbull, Feb. 2006. Hereinafter cited as "E-Mail - Myrna J. Coubrough."
- [S225] David Teague, "E-Mail from David Teague," e-mail message from e-mail address (Australia) to Brian Turnbull, March 2006. Hereinafter cited as "E-Mail - David Teague."

- [S230] 1851 England Census.
- [S236] Lyn Smith, "E-Mail from Lyn Smith," e-mail message from e-mail address (Launceston,Tasmania, Australia) to Brian Turnbull, March 2006. Hereinafter cited as "E-Mail - Lyn Smith."
- [S237] Misc. Records.
- [S253] FTW File - John Turnbull.
- [S254] FTW - George Jones.
- [S256] FTW File - Turnbulls.
- [S258] FTW - Frederick H. Turnbull descendants.
- [S270] Phil Crook, "E-Mail from Phil Crook," e-mail message from e-mail address (Tamworth, England) to Brian Turnbull, 2006. Hereinafter cited as "E-Mail - Phil Crook."
- [S277] George Yonge Mould, online http://www.cooma.nsw.gov.au/monaropioneers/mouldgy.htm, George Yonge Mould (Australia), downloaded July 2006.
- [S288] 1901 Census England.
- [S299] Nan Mykel, "E-Mail from Nan Mykel," e-mail message from e-mail address (USA) to Brian Turnbull, January 2007. Hereinafter cited as "E-Mail - Nan Mykel."
- [S307] 1860 United States Federal Census.
- [S311] 1870 United States Federal Census.
- [S312] 1880 United States Federal Census.
- [S314] 1910 United States Federal Census.
- [S318] 1861 Scotland Census.
- [S330] 1861 England Census.
- [S342] Irene Sheppard, "E-Mail from Irene Sheppard," e-mail message from e-mail address (Australia) to Brian Turnbull, 2007. Hereinafter cited as "E-Mail - Irene Sheppard."

- [S360] Kenneth Turnbull, "E-Mail from Kenneth Turnbull," e-mail message from e-mail address (Australia) to Brian Turnbull, 2008. Hereinafter cited as "E-Mail - Kenneth Turnbull."
- [S363] Margaret Turnbull-Bettschen, "E-Mail from Margaret Turnbull-Bettschen," e-mail message from e-mail address (Canada) to Brian Turnbull, 2008. Hereinafter cited as "E-Mail - Margaret Turnbull-Bettschen."
- [S366] 1911 Census, Canada.
- [S418] Robert Eugene Turnbull and Carolyn Greene Axt, The Turnbull Family of La Prairie Center Illinois 1851 - 1994 (Illinois, USA: TCA, 1994). Hereinafter cited as The Turnbull Family of La Prairie Center Illinois.
- [S434] 1850 United States Federal Census.
- [S445] 1930 United States Federal Census.
- [S452] Craig Ferguson, "E-Mail from Craig Ferguson," e-mail message from e-mail address (unknown address) to Brian Turnbull, 2009. Hereinafter cited as "E-Mail - Craig Ferguson."

- [S466] Mark Turnbull, "E-Mail from Mark Robert Turnbull," e-mail message from e-mail address (Australia) to Brian Turnbull, 2009. Hereinafter cited as "E-Mail - Mark Turnbull."

- [S476] 1906 Canada Census of Manitoba, Saskatchewan, and Alberta.
- [S486] 1891 Canada Census.
- [S503] Letter from Eric Turnbull, published by TCA, 2010.

- [S512] Letter from Helen Turnbull King, published by TCA, 2010.
