 The annals are covered in Volumes 1-30 beginning with founder Abaoji (Taizu) in volumes 1–2.Volume 30 covers Yelü Dashi, who fled and founded of the state of Qara Khitai also known as the Western Liao at the dissolution of the Liao dynasty.Biran describes volume 30 of the text as the one of the most important sources for the history of the Qara Khitai.