http://home.versatel.nl/rene.brouwer/
stats on men mobilised and casulties

http://www.spartacus.schoolnet.co.uk/FWWcosts.htm
Shows Costs in Dollars

http://users.tibus.com/the-great-war/figures.htm
Shows British Army (interesting that cavalry numbers increased in 1918 compared to 1914)


http://www.digitalhistory.uh.edu/historyonline/us32.cfm

scroll down to bottom of page for stats