1121 to 1124.

That said, the debt to Florence acknowledged by John in the entry for 1118 is considerable. One possibility if ultimately unverifiable is that Florence's contribution lay in assembling the source materials which John consulted for the entries covering the period between the ninth and eleventh century. A precedent for such a task commissioned by Bishop Wulfstan is the compilation and production of a cartulary, called Hemming's Cartulary, by