- [S322] Email - A Robinson, email to D Ferguson, 23 Apr 2003 onward.
- [S328] Letter - A G Tough to D Ferguson, 2 May 1995.
- [S331] Government Publication - Lawrence School Register.
- [S335] Otago Nominal Index of Hocken Library, at https://www.otago.ac.nz/library/hocken/oni/
- [S501] Newspaper - The Guardian.
- [S535] Immigrant Ships to New Zealand
1835 to 1910
Website - Immigrant Ships to NZ, 1835-1910, at https://freepages.rootsweb.com/~shipstonz/genealogy/… - [S536] Book - General Medical Council, UK Medical Registers, 1859 - 1959.
- [S668] Lilydale Cemetery Trust database, at https://www.gmct.com.au/
- [S673] Email - R N Turner, email to D Ferguson, 19 June 2010 onwards.
- [S968] Website Early NZ Photographers (https://canterburyphotography.blogspot.com/2008/08/…).
- [S985] Email - Deborah Cumming, email from Deborah Cumming to D Ferguson, from 2012 onwards.
- [S1007] Will - Joseph Nisbet Stevens.
- [S1017] HMS Hood Association website, at http://www.hmshood.com
- [S1018] RAF 41 Sqdn History 1916-46, at http://brew.clients.ch/41sqnraf.htm
- [S1032] Cemetery Marker - , Groveport Cemetery, Ohio.
- [S1067] Cemetery Marker - , Buderim Cemetery, Australia.
- [S1093] Book - R K Headland, Chronological List of Antarctic Expeditions.
- [S1095] Cemetery Marker - , St John the Baptist, Sussex.
- [S1097] La Société Guernesiaise, at https://www.societe.org.gg/wp/
- [S1166] Book - Robin Rowe, Sticky-Blue; a boy and a battleship.
- [S1180] Free Czechoslovak Air Force, at https://fcafa.com
- [S1181] Newspaper - Exeter and Plymouth Gazette.
- [S1184] McGowan Funeral Directors, at https://www.ballinafuneralhome.ie/obituaries/
- [S1195] Email - Alison (Ward) Downes, email from Alison (Ward) Downes to D Ferguson, Jul 2019.
- [S1208] Email - Valerie Smith, email to D Ferguson, Aug 2019 onward.
- [S1244] Website US Holocaust Memorial Museum (https://www.ushmm.org/online/hsv/person_advance_search.php).
- [S1272] Espacenet - Patent Search, at https://worldwide.espacenet.com/advancedSearch?locale=en_EP
- [S1299] Newspaper - Dayton Daily News.
- [S1322] Western Front Association, at https://www.westernfrontassociation.com/
- [S1323] Book - G. A. Stone, Stone's Otago & Southland Directory.