《周书·列传·卷九》
册韶说： 天元皇帝臣宇文赞，敬捧玉玺绶册，恭敬地为天皇太后献上尊号为天元圣皇太后。
册曰： 天元皇帝臣赟，奉玺绶册，谨上天皇太后尊号曰天元圣皇太后。
The book of praise says: The minister of Emperor Tian Yuan, Yu Wenzan, respectfully holds the jade seal and seal, and respectfully presents the honorable title of Empress Dowager of Tian Yuan Sheng to the Empress Dowager of Emperor Tian.