《资治通鉴·唐纪·唐纪三十八》
仆固怀恩进而攻克东京以及河阳城，抓获史朝义的中书令许叔冀、王等人，遵照代宗的制令又将他们释放了。
怀恩进克东京及河阳城，获其中书令许叔冀、王伷等，制释之。
Pugu Huai’en continued to seize Tokyo and Heyang. He captured Shi Chaoyi’s Imperial Secretariat Xu Shuji, Wang, and others. He then released them as per the orders of Emperor Daizong.