A group of 13 texts of divination, history, philosophy, poetry, ritual, and lexicography that from the time of the Song dynasty defined the orthodox Confucian tradition.

http://www.sacred-texts.com/cfu/ Downloadable texts and translations of the Confucian classics

http://www.ibiblio.org/chinesehistory/contents/02cul/c04s04.html Discussion of the core doctrines of Confucianism as expounded in the Chinese Classics