Commonwealth War Graves Commission

www.cwgc.org

Imperial War Museum

www.iwm.org.uk

National Army Museum

www.nam.ac.uk

Royal Engineers Museum

www.re-museum.co.uk

Simon Jones: The Lochnagar Mine

www.simonjoneshistorian.com/

Tunnellers’ Memorial

www.tunnellersmemorial.com

Western Front Association

www.westernfrontassociation.com

WW1 Cemeteries

www.ww1cemeteries.com