《资治通鉴·晋纪·晋纪九》
壬子，以刘琨任平北大将军，王浚任司空，把鲜卑段务勿尘封为大单于。
壬子，以刘琨为平北大将军，王浚为司空，进鲜卑段务勿尘为大单于。
On the day renzi, Liu Kun was made Great General Who Pacifies the North, while Wang Jun was made Minister of Works, and the Xianbei Duan Wumochen was given the title of Grand Single-yu.