Note 858 — Chapter XI · THE BEGINNING OF WINTER
Reading edition
On this difficult subject see Tille, Y. and C. 134; H. Grotefend, Taschenbuch der Zeitrechnung (1898), 11; F. Ruhl, Chronologie des Mittelalters und der Neuzeit (1897), 23; C. Plummer, Anglo-Saxon Chronicle, ii. cxxix; R. L. Poole, in Eng. Hist. Review (1901), 719.