《徐霞客游记·滇游日记二十一》
南部又横着敞开东西走向的大山坞，南部主峰山脉，从西向东在前面横列为案山，上面的乌龙峰，单独在西南方耸立为文笔峰，木家院南峰，在东南方环峙雄关。
南复横开东西大坞，南龙大脊，自西而东，列案于前，其上乌龙峰，独耸文笔于西南，木家院南峰，回峙雄关于巽。
To the south, there was a large, open mountain gully running east-west. The main peak range to the south stretched from west to east like a screen in front. Wulong Peak, to the west, stood alone as a writing brush peak in the southwest, and Mujiayuan South Peak guarded the mountain pass in the southeast.