《资治通鉴·唐纪·唐纪十五》
八月，尚药局奉御蒋孝璋为定员二人之外的特置人员，品级仍同正员。
八月，尚药奉御蒋孝璋员外特置，仍同正员。
In August, Jiang Xiaozhang, the奉御 (Assistant Executive) of the Shangyaoju (Department of Imperial Pharmacy), became a special appointee in addition to the two regular staff members, but his rank was still the same as the regular staff.