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for he was only born in 1208, and did not enter the Order until after 1230. There is the point that Mediæval scribes were given (like other mortals) to making errors in dates, more especially when they were in Roman figures, and these errors would have been propagated from Codex to Codex. We have the well-known instance of the Mazarin Codex No. 1743, where the erroneous date of 1228 led a distinguished French critic
