《资治通鉴·晋纪·晋纪五》
右卫督司马雅、常从督许超，都曾经在太子东宫任过职，与殿中中郎士猗等图谋废黜贾皇后，恢复太子的地位。
有卫督司马雅、常从督许超，皆尝给事东宫，与殿中郎士猗等谋废贾后，复太子。
Sima Ya, the director of the Right Guard, and Xu Chao, the permanent follower, had both previously held positions in the Crown Prince's East Palace; they conspired with Zhonglang Shiyi, the attendant in the central hall, to depose Empress Jia and restore the Crown Prince to his position.