Ancient literature is related to Confucius and his younger brothers, at least

There are at least five ancient documents related to Confucius and his younger brother: Poetry, Book, Book of Changes, Yili and Chunqiu. The Six Classics refers to the combination of poetry, calligraphy, ceremony, Yi, Yue and Chunqiu, and refers to the six ancient books in the pre-Qin period compiled and taught by Confucius.