《宋史·志·卷二》
周代的元士，汉代的光禄卿、中散大夫、谏议大夫、议郎、郎中都是它的官职，主管保卫守护。
周之元士，汉之光禄、中散、谏议、议郎、郎中是其职，主卫守也。
The Yuan Shi of the Zhou Dynasty, the Guanglu Qing, Zhongsan Dafu, Yanyi Dafu, Yilang, and Langzhong of the Han Dynasty were all its officials, in charge of guarding and guarding.