(1) Main historical documents: 1, Historical Records; 2. Zuo Zhuan; 3. Warring States policy; 4. "Mandarin".
(2) Important document: 1, Zitongzhijian; 2. General code; 3. Tongzhi; 4 "Literature General Examination".
(3) Works of various philosophers: 1, The Analects of Confucius; 2. Mencius; ③ Mozi; (4) Zhuangzi; 5. Tube; 6. Shang Jun Shu; 7. Xunzi; 8. "Everything is wrong"; 9. Lu's Spring and Autumn Annals.
(4) Literary works: 1, The Book of Songs; 2. Song of the South.
(5) Archaeological documents: 1. Letters of the Warring States Period: edited by the silk book arrangement group of Mawangdui Han Tomb, published by Cultural Relics Publishing House; 2. Bamboo Slips of Qin Tomb in Shuihudi: Bamboo Slips of Qin Tomb in Shuihudi compiled and edited bamboo slips unearthed from Shuihudi in Yunmeng County, Hubei Province, which were published by Cultural Relics Publishing House.
The above is the main literature basis for studying this period of history. Of course, the research works of modern historians reflect the research results of later generations on this period of history, and should also be read carefully.