%0 Journal Article %T Christof Rolker. Canon Law and the Letters of Ivo of Chartres. (Cambridge Studies in Medieval Life and Thought, number 4:76.) New York: Cambridge University Press. 2010. Pp. xiii, 386. $110.00 %A Blumenthal, Uta-Renate %J The American Historical Review %V 116 %N 2 %P 502-503 %@ 0002-8762 %D 2011-04-01 %I Oxford University Press %~ DeepDyve