《资治通鉴·唐纪·唐纪十七》
三月，甲寅，唐朝任命兼司戎太常伯姜恪为同东西台三品。
三月，甲寅，以兼司戎太常伯姜恪同东西台三品。
In the third month, Jia Yin, the Tang Dynasty appointed Jiang Ke, who was also the director of the Ministry of Rites, as the third-ranked official in the East and West Palaces.