《新唐书·本纪·卷八·穆宗 敬宗 文》
二十六日，沧德宣慰使柏耆将李同捷带回京城，在将陵杀了李同捷。
乙亥，沧德宣慰使柏耆以同捷归于京师，杀之于将陵。
On the 26th, Bai Qi, imperial commissioner for the appeasement of Cangde, brought Li Tongjie back to the capital and executed him at Jiangling.