Williams, J. Observations of comets from B.C. 611 to A.D. 1640 : extracted from the chinese annals : translated, with introductory remarks, and an appendix : comprising the tables necessary for reducing chinese time to european reckoning, and a chinese celestal atlas / by John Williams, F. S. A.; J. Williams .— : Strangeways and Walden, 1871 .— 178 с. — Lang: eng .— URL: https://rucont.ru/efd/112804 (дата обращения: 17.11.2025)