WW1 History - Facts & Figures

1915 - Order of Battle - Western Front - British Area of Operations

1916 - Order of Battle - Western Front - British Area of Operations

1917 - Order of Battle - Western Front - British Area of Operations

1918 - Order of Battle - Western Front - British Area of Operations

The above Orders of Battle compiled by Miles Constable.  List of source materials and other info available at his website

at http://clubweb.interbaun.com/milesc/oob1.html

A great starting point for WW1 research on the NET

Good Research links:

http://www.wordiq.com/definition/World_War_I

http://www.firstworldwar.com/