《明史·列传·卷六十一》
三年秋，石彪企图镇守大同，命千户杨斌等奏保。
三年秋，彪谋镇大同，令千户杨斌等奏保。
In the autumn of the 3rd year, Shi Biao intended to defend Datong, and ordered Yang Bin, chief commander of a thousand households, to report to the emperor and recommend him.