《资治通鉴·唐纪·唐纪十九》
秋季七月，己酉，唐朝任命文昌左丞魏玄同为鸾台侍郎、同凤阁鸾台三品。
秋，七月，己酉，以文昌左丞魏玄同为鸾台侍郎、同凤阁鸾台三品。
In autumn (the seventh month), Jiyou, the Tang Dynasty named the left minister of Wenchang Wei Xuantong the minister of Luntai, the same as the third ranking officials of Fengge Luntai. 