《资治通鉴·唐纪·唐纪四十》
夏季，四月己未，澧州刺史杨子琳入朝，代宗宽容地接待了他，并赐名 猷 。
夏，四月，己未，澧州刺史杨子琳入朝，上优接之，赐名猷。
In the summer, in April, the Prefect of Lizhou, Yang Zilin, entered the court and Emperor Daizong tolerantly received him, granting his courtesy name as You.