《晋书·帝纪·第八章》
二月辛未，任命辅国将军、吴国内史庾希为北中郎将、徐兖二州刺史，镇守下邳；任命前锋监军、龙骧将军袁真为西中郎将、监护豫司并冀四州诸军事、豫州刺史，镇汝南，都暂授苻节。
二月辛未，以辅国将军、吴国内史庾希为北中郎将、徐兗二州刺史，镇下邳；前锋监军、龙骧将军袁真为西中郎将、监护豫司并冀四州诸军事、豫州刺史，镇汝南，并假节。
February, Xin Wei: appoint General of Assisting the State and General Secretary of Wu Prefecture Yu Xi as General of the Central Guards of the North and Prefect of Xu and Yan Provinces. He was in charge of Xiapi. Appoint General of the Vanguard Watch and General of the Dragon Cavalry Yuan Zhen as General of the Central Guards of the West and Prefect of Yu, Si and Ji Provinces. He was in charge of Runan. Both received Fu Xie for the moment.