《太平广记·卷一百七十八·贡举一》
唐中宗时代，进士们参加过杏园宴之后，都到慈恩塔那里去把名字逐一写在上面。
神龙已来，杏园宴后，皆于慈恩塔下题名，同年中推一善书者。
During the time of Emperor Zhongzong of Tang Dynasty, after candidates passed the Jinshi imperial examination and attended the Xingyuan Banquet, they would proceed to the C'en Tower and inscribe their names on it.