↑ Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I. (1986). Handbook of British Chronology (Third Edition, reprinted 2003 ed.). Cambridge: Cambridge University Press. pp. 360–361 ISBN0-521-56350-X
This page is based on this Wikipedia article Text is available under the CC BY-SA 4.0 license; additional terms may apply. Images, videos and audio are available under their respective licenses.