《旧唐书·本纪·卷十八》
便征派许州、蔡州、汴州、滑州等六个军镇的军队，任命太原节度使刘沔为回鹘南面招讨使；任命张仲武为幽州、卢龙节度使、检校工部尚书，封为兰陵郡王，充任回鹘东面招讨使：各军均在太原会师。决定封皇子李岘为益王，李岐为兖王，皇长女封为昌乐公主，第二女封为寿春公主，第三女封为永宁公主。
乃征发许、蔡、汴、滑等六镇之师，以太原节度使刘沔为回纥南面招讨使；以张仲武为幽州卢龙节度使、检校工部尚书，封兰陵郡王，充回纥东面招讨使；以李思忠为河西党项都将，回纥西南面招讨使：皆会军于太原。制以皇子岘为益王，岐为兗王，皇长女为昌乐公主，第二女为寿春公主，第三女永宁公主。
Then he sent troops from six military towns such as Xuzhou, Caizhou, Bianzhou, and Huazhou, and appointed Liu Mian, the deputy envoy of Taiyuan, as the Huige's southern recruit envoy; Zhang Zhongwu was appointed as the envoy of Youzhou, Lulongs, and the general of the Ministry of Industry. Lanling County King, served as the Huige's Eastern Recruitment Envoy: all the troops met in Taiyuan. It was decided that the prince Li Yan would be named the King of Yi, Li Qi would be named the King of Yan, the eldest daughter of the emperor would be named the Princess of Chang Le, the second daughter would be named the Princess of Shouchun, and the third daughter would be named the Princess of Yongning.