《徐霞客游记·粤西游日记十七》
洞进去很深，没有别的岔洞，本地人在洞中造纸，纸质十分粗糙，可水池炉灶烘烤的器具全都齐备地安置在洞中。
洞入颇深，而无他岐，土人制纸于中，纸质甚粗，而池灶烘具皆依岩而备。
The cave goes in very deep, there are no other forks, the locals make paper in the cave, the paper is very rough, but the water tank and stove baking utensils are all installed in the cave.