《宋史·列传·卷二百二十六》
太宗派蓝继宗前去察看，蓝继宗回来后上奏说大、小洛门寨地势险要，产好木材，不能放弃。
太宗遣继宗往按视，还奏二砦据要害，产良木，不可弃。
Taizong sent Lan Jizong to check it out, and Lan Jizong came back to report that the terrain of the large and small Luomen villages was dangerous and they produced good timber, so they could not be abandoned.