Granting the seasons : the Chinese astronomical reform of 1280, with a study of its many dimensions and a translation of its records : 授時暦叢考 / Nathan Sivin ; with the research collaboration of the late Kiyosi Yabuuti 薮内清 and Shigeru Nakayama 中山茂.
In English, with some terms and proper names in Chinese.
"Translation and study of the Season-granting system"--Page 5.
Includes bibliographical references (pages 617-649) and index.

Introduction -- Astronomical reform and occupation politics -- Orientation -- The project : origins and process -- The astronomers -- The observatory and its instruments -- The records -- Evaluation of the Season-granting system -- Canon of the Season-granting system -- Appendix A: The instruments of Kuo Shou-ching -- Appendix B: The account of conduct of Kuo Shou-ching -- Appendix C: Technical terms.

China's most sophisticated system of computational astronomy was created for a Mongol emperor who could neither read nor write Chinese, to celebrate victory over China after forty years of devastating war. This book explains how and why, and reconstructs the working group, the observatory and the science that made it possible.

Local access dig.pdf. [Sivin-Granting the Seasons.pdf]