ISBN 9781139434096. ↑ Chris Wrigley, "The Impact of the First World War," in Chris Wrigley, ed., A Companion to Early Twentieth-Century Britain (2003) pp 502, 512 1 2 "Inflation value of the Pound" (PDF). House of Commons. Retrieved 2009-05-16. ↑ Taylor (2001), p 123 ↑ Taylor (2001), p 122 ↑ Barnett (2002), pp 424–426 1 2 Beaumont (1995), pp 125–148 ↑ Hennessey (1998), p 220 ↑ Ferguson (2004), p 315 ↑ Olson (1996), p 658