WW1 Recommended Sites
www.1914.org
Courtesy of the Imperial War Museums (UK), this site is 1914 Commemoration specific and is a central resource for all things 1914.
WW1 Timeline
Excellent resource courtesy of the BBC.
WW1 Casualties
Courtesy of Wikipedia, a breakdown of WW1 casualties worldwide.
The Wilfred Owen Association
Owen was one of the foremost poets of the WW1 era, sadly killed in action one week short of the end of the war.
see also: Wilfred Owen: All The Poems