Changes

*[https://web.archive.org/web/20170302214652/http://www.westernfrontassociation.com/the-great-war/great-war-mapping/mapping-the-front-great-war-maps-dvd/great-war-map-lists/855-read-a-trenchmap.html "How to read a Trench Map"] by Howard Anderson, October 2008 Western Front Association, now an archived webpage.

*[http://library.mcmaster.ca/maps/ww1/ndx5to40.htm Western Front Maps] from McMaster University, Canada. Text Search using Place Name or Trench Name.

*[http://maps.nls.uk/geo/explore/#zoom=9&lat=50.0645&lon=2.7620&layers=101465290 National Library of Scotland WW1 Trench Maps]. View maps overlaid on a modern map. Allows you to swap between trench map and modern map. On the left hand side you will see a slider to change the transparency between the trench map and the underlying modern map.

*[http://www.tmapper.com Gazetteer of the Western Front - 2020] - part of the tMapper Suite. tmapper.com. An expanded update of the 2013 publication ''Gazetteer of the Western Front'' by John Reed. Search parameters include Trench name. "Each successful search elicits a trench map reference and latitude, longitude and these form the database anchor for a researcher wishing to delve deeper, asking to see nearby towns, populations, elevation, Victoria Cross recipients, battles and Commonwealth War Graves cemeteries within a defined range". Details.<ref>WhiteStarLine. [https://www.greatwarforum.org/topic/281619-gazetteer-of-the-western-front-2020-reboot/ Gazetteer of the Western Front - 2020 Reboot] ''Great War Forum'' 17 May 2020. Retrieved 18 May 2020.</ref>