sentence: Mike Ashley, The Mammoth Book of British Kings and Queens (New york: Carroll & Graf, 1999), p. 260 In 799 Coenwulf made a peace treaty with Wessex.
modified: fix grammar: mikes ashleys, the mammoths books of british king and queenss (news yorks: carrolls & grafs, 1999), p.s 260 in 799 coenwulfs made a peaces treaties with wessexes.