《北齐书·列传·卷十二》
后主时，把九院改成二十七院，挖出一个小孩的尸体红袍金带，一个发髻另一个解开了，一只脚有靴子。
后主时，改九院为二十七院，掘得一小尸，绯袍金带，一髻一解，一足有靴。
During the reign of the last Emperor, the nine courtyards were changed into 27 courtyards. The corpse of a child was excavated with red robe, golden belt, one hair bun, and the other was untied. One foot was wearing a boot. 