《资治通鉴·后唐纪·后唐纪四》
后唐明宗天成元年夏季，四月，丁亥朔，后唐帝出行前的戒严等都己办好准备出发，骑兵陈列在宣仁门外，步兵陈列在五凤门外。
明宗圣德和武钦孝皇帝上之下天成元年夏，四月，丁亥朔，严办将发，骑兵陈于宣仁门外，步兵陈于五凤门外。
In the summer of the first year of the Tiansheng period of the Later Tang Mingzong, in April, on the first day of Dinghai, the Later Tang Emperor had completed all preparations for the interdiction before his departure and was ready to go. The cavalry was lined up outside the Xuanren Gate, and the infantry was lined up outside the Wufeng Gate.