《后汉书·列传·张法滕冯度杨列传》
单迁，故车骑将军单超的弟，中官互相包庇，于是一共诬告冯绲，与司隶校尉李膺、大司农刘俱输左校。
迁，故车骑将军单超之弟，中官相党，遂共诽章诬绲，坐与司隶校尉李膺、大司农刘祐俱输左校。
Shan Qian was the brother of the former General of Chariots and Cavalry Shan Chao. The eunuchs covered up for each other, and together they falsely accused Feng Cen, the Commandant of the Capital, Li Ying, and the Grand Minister of Agriculture, Liu Ju. They were all sent to the Left Archives.