The Book of Documents (Book of History, Shujing, or Shangshu): Collection of speeches, announcements, and other documents attributed to great figures of antiquity, from the legendary Sage Kings into early Zhou.
The Book of Odes (Shijing): Collection of roughly 300 early Zhou songs or poems. These poems are all formatted the same way with four Chinese characters on each line with stanzas of four, six or eight lines. It contains wisdom relative to history, philosophy, ethics, and politics.
The Book of Changes (Yijing or I-Ching): Handbook for divination based on a set of 64 hexagrams
The Rites (Li): collective name of three separate books
The Spring and Autumn Annals (Chunqiu): extremely terse history of Confucius's home state of Lu covering the years 722-481 B.C.E.; believed to be complied by Confucius and entries have been scrutinized for presumably profound moral judgements conveyed by subtle distinctions in the choice of language