Records in New History of the Tang Dynasty on Princess Jin Cheng's Marriage
New History of the Tang Dynasty - Annals of Tubo read:"Tubo dispatched envoys to escort Princess Jin Cheng to Tubo. Considering that the princess was still young, the Emperor bestowed upon her several ten thousand bolts of brocade, large numbers of technical books and craftsmen as well as musical works from the Western Region."

Records in Old History of the Tang Dynasty on Princess Jin Cheng's sending envoys to get Books of Odes Edited by Mao Heng and other selected works from the Tang Court after her entry into Tubo.