Investigation of Medieval European Records of Solar Eclipses

Espenak F. Meeus J. , Five millennium catalog of solar eclipses: −1999 to +3000 (2000 BCE to 3000 CE), revised (Greenbelt, MD, 2009).

Celoria G. , “Sull' eclissi solare totale del 3 Giugno 1239”, Memorie del Reale Istituto Lombardo di Scienze e Letteri, Classe di scienze matematiche e naturali, xiii (1877), 275–300, and “Sugli eclissi solari totali del 3 Giugno 1239 e del 6 Ottobre 1241”, ibid., 367–82.

Ginzel F. K. , “Astronomische Untersuchungen über Finsternesse, II”, Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Wien, Naturwiss. Classe, lxxxviii (1884), 629–755, and “Astronomische Untersuchungen über Finsternesse, III”, ibid., lxxxix (1884), 1884–559.

Newton R. R. , Medieval chronicles and the rotation of the Earth (Baltimore, 1972), and The Moon's acceleration and its physical origins (Baltimore, 1979).

See, for example, Stephenson F. R. , Historical eclipses and Earth's rotation (Cambridge, 1997).

Morrison L. V. Stephenson F. R. , “Historical values of the Earth's rotational clock error ΔT and the calculation of eclipses”, Journal for the history of astronomy, xxxv (2004), 327–36.