《汉书·传·公孙弘卜式儿宽传》
到张汤任御史大夫，任倪宽为属官，提拔任侍御史。
及汤为御史大夫，以宽为掾，举侍御史。
When Zhang Tang became the Grand Minister of Justice, he made Ni Kuan his subordinate official, and promoted him to be a Palace Attendant and Historiographer.