《资治通鉴·后周纪·后周纪五》
南唐宋齐丘到达九华山，南唐主下令锁上他宅第的全部门窗，在墙上挖洞供给饮食。
唐宋齐丘至九华山，唐主命锁其第，穴墙给饮食。
Nan Tang and Song Qiqiu arrived at Jiuhua Mountain, and the ruler of Nan Tang ordered that all the doors and windows of his residence be sealed, and a hole be made in the wall to provide food. 