Юань ши
Wilkinson states that the main source of the "History of Yuan" was the main "Veritable Records" () compiled over the period 1206-1369 during the 13 reigns from Taizu to Ningzong, which needed translation into Chinese. Farquhar mentions that the section of the Treatises on Official Posts was largely based on the "Jingshi Dadian" (), now lost.