http://www.spartacus.schoolnet.co.uk/FWW.htm (wwi encyclopedia)
http://uboat.net/wwi/ (u boat in WWI)
http://www.lib.byu.edu/~rdh/wwi/links.html (wwi links)
http://www.users.zetnet.co.uk/dms/past/ww1index.html (some trench photos and other stuff)
www.authentichistory.com/ww1.html (some music)
http://www.teacheroz.com/wwi.htm
http://killeenroos.com/link/ww1.html (propaganda and other links to stuff)
http://www.geocities.com/~worldwar1/default-casualty.html