《资治通鉴·唐纪·唐纪十七》
东起高丽，西至波斯、乌长诸国的朝会使节，各率领随从人员扈从车驾，毡做的帐逢，牛羊驼马，堵塞道路。
东自高丽，西至波斯、乌长诸国朝会者，各帅其属扈从，穹庐毳幕，牛羊驼马，填咽道路。
From the east, starting with Goryeo, to the west, the ambassadors of Persia, Wuchang, etc, each led their entourage to accompany the imperial chariot. The felt tents, cattle, sheep, camels, and horses blocked the road.