《晋书·志·第十八章》
成帝咸和六年正月丁巳，在乐贤堂会集州郡中的秀才孝廉，有磨在前面出现，捕获。
成帝咸和六年正月丁巳，会州郡秀孝于乐贤堂，有麏见于前，获之。
In the sixth year of the first month of Emperor Cheng's Xianhe reign, Dingsi, there was a grindstone in front of the Lexian Hall, which was captured.