Wikipedia page about this book: https://en.wikipedia.org/wiki/Book_of_Rites

Release date is 2007-12-27

"禮記" by Anonymous is a collection of texts compiled during the Warring States period and early Han dynasty. This foundational Confucian work describes the social forms, administrative structures, and ceremonial rites of the Zhou dynasty. As one of the Five Classics, it explores the concept of li—ritual propriety and proper conduct—which Confucius believed essential for social stability and moral order. The text profoundly shaped Chinese intellectual life, serving as required study for imperial civil service examinations for nearly six centuries. (This is an automatically generated summary.)

Original publication data not identified