《北史·列传·卷四十八》
杨玄感密谋叛乱时，曾经召请李密，让他与自己的弟弟杨玄挺一起到黎阳，当作主谋共同计议。
及玄感有逆谋，召密，令与弟玄挺赴黎阳，以为谋主。
When Yang Xuangan was plotting to rebel, he had called for Li Mi, and had him and his younger brother Yang Xuanting go to Liyang together, as the mastermind, to plan together.