As some of you may know, English Heritage produce a biannual newsletter called Conservation Bulletin which keeps us anoraks...I mean enthusiasts... up to date with all things archaeological. This issue #71 deals with surviving WW1 structures in the British landscape, and why they are often misunderstood. It's a free download from here- http://www.english-heritage.org.uk/publications/conservation-bulletin-71/cb-71.pdf