Zhang & Wu 1928: "十三年,從上東巡,還蹕,三月乙未,后崩於德州舟次,年三十七。(...[On the] 13th year, she followed the Emperor for an eastern tour, During their return on the yuemo of the 3rd month, the Queen died onboard a yacht in Dezhou, aged 37." Zhang, Caitian; Wu, Changshou (1928). "列傳一" [Biography 1]. 清史稿 (The Draft History of Qing) (in Traditional Chinese). 214. Retrieved 25 May 2019.