These are some useful links I have found:
Commonweath War Graves Commission
www.cwgc.org
The War Graves Photographic Project - Photos of Graves / Memorials.
www.twgpp.org/
Varlet Farm Bed & Breakfast. A great place to stop at if you are
planning a visit to the battlefields. Very close to Reginalds grave at Poelkapelle
Cemetery.
www.varletfarm.com/en/index.htm
Memorial Museum Passchendaele 1917 in Zonnebeke. A very well presented and
informative museum with recreated dugs outs, British and German trenches.
www.passchendaele.be/eng/homeEN.html
The Long, Long Trail - Lots of information on the Great War.
www.1914-1918.net
Great War Forum - Very useful resourse.
www.1914-1918.invisionzone.com
Liquid Fire Attach at Hooge - Detailed account of attack.
www.ramsdale.org
WW1 Slang - A useful page to help understand some of the language.
www.wakefieldfhs.org.uk