《资治通鉴·晋纪·晋纪十九》
成汉国主李势的兄弟、大将军李广，因为李势没有儿子，请求让自己当皇太弟，李势不同意。
汉主势之弟大将军广，以势无子，求为太弟，势不许。
The Great General Li Guang, brother of the Cheng Han emperor Li Shi, made a request to the emperor to become Crown Prince as Li Shi had no son, but Li Shi did not agree.