《太平广记·卷一百八十三·贡举六》
昭宗逃到石门时，大臣、学士们来不及跟随。薛知柔以京兆尹署理中书省。
昭宗幸石门时，宰臣学士不及随驾，知柔以京兆尹权中书，事属近辅。
When Emperor Zhao Zong fled to Shimen, officials and scholars could not follow up in time. Xue Zhirou acted as the minister of the Ministry of the Secretariat.