《明史·列传·卷九十五》
杨言抗疏说： 先帝死亡，江彬手中掌握边军四万，图谋不轨。
言抗疏曰： 先帝晏驾，江彬手握边军四万，图为不轨。
Yang Yan said in his memorial: "After the death of the late emperor, Jiang Bin controlled 40,000 frontier troops in his hands and planned to commit a crime.