《旧唐书·本纪·卷十七》
二十日，以贬谪到崖州的嗣郢王李佐为颍王府长史，供职东都洛阳，赐金紫鱼袋。
己未，以崖州安置人嗣郢王佐为颍王府长史，分司东都，仍赐金紫。
On the twentieth, Li Zuo, the successor to the King of Ying who was demoted to Yazhou, was appointed as the Changshi of Yinfu Prefecture and served in the Eastern Capital Luoyang. He was granted a gold and purple fish bag.