- William Hackett’s VC is held at the Royal Engineers Museum
http://www.re-museum.co.uk/exhibitions/ - The La Boisselle Study Group website
http://www.laboisselleproject.com/ - Imperial War Museum
http://www.iwm.org.uk/ - Commonwealth War Graves Commission
http://www.cwgc.org/ - Jeremy Banning – Military Historian & part of the Tunnellers Memorial team
http://www.jeremybanning.co.uk/ - All-Party Parliamentary War Heritage Group
http://www.wargravesheritage.org.uk/ - Johan Vandewalle’s Polygon Wood site
http://www.polygonwood.com/ - New Zealand Tunnellers web site
http://www.nztunnellers.com/ - Kirkstone Quarries – bespoke manufacturer of the Tunnellers Memorial
http://www.kirkstone.com/ - OMB Direct, Bristol based design company kindly providing a free service for work on an information panel for the memorial site
http://www.ombdirect.co.uk/ - Interpretive Border Signs and Graphics – Dumfries manufacturers of the above-mentioned information panel
http://www.interpretivebsg.co.uk/ - The North East War Memorials Project is intended to assist the public, Local History Groups and Schools, to learn about and research their neighbourhood War Memorials.
http://www.newmp.org.uk/ - Barngates Brewery – Brewers of William Hackett Ale. A commemorative beer brewed to help raise funds for the Tunnellers Memorial Fund
http://www.barngatesbrewery.co.uk/