《旧唐书·本纪·卷七》
十五日，侍中、舒国公韦巨源为尚书左仆射，并任同中书门下三品。
壬寅，侍中、舒国公韦巨源为尚书左仆射，并同中书门下三品。
On the 15th day, the Imperial Attendant and Duke of Shuguo, Wei Juyuan, became the Minister of the Left, and concurrently held the third rank of the Secretariat and the Ministry of the Interior.