《资治通鉴·唐纪·唐纪六十一》
夏季，四月，唐文宗任命李德裕为太子宾客、分司东都。
夏，四月，以德裕为宾客分司。
In the summer, in the fourth month, Emperor Wenzong of Tang appointed Li Deyu as a guest of the crown prince and divided the office to the eastern capital.