《旧唐书·本纪·卷十一》
十九日，以浙西观察使、苏州刺史、御史大夫李涵主持台省事，充任京畿观察使。
丙子，以浙西观察使、苏州刺史、御史大夫李涵知台事，充京畿观察使。
On the 19th day, Li Han, the governor of Zhexi, the governor of Suzhou, and the doctor of the imperial history, was appointed to preside over the affairs of the Taiwan Province and appointed the governor of the Beijing and Jizhou Region.