《资治通鉴·唐纪·唐纪二十二》
当时太子没有出征，朝廷命令狄仁杰主持元帅的事务，太后亲自为他送行。
时太子不行，命仁杰知元帅事，太后亲送之。
At that time, the Crown Prince did not go on an expedition, and the imperial court ordered Di Renjie to preside over the affairs of the marshal, and the empress dowager personally saw him off.