《国语·周语·虢文公谏宣王不籍千亩》
于是命令众人道： 开始干。 农师第一，农正第二，后稷第三，司空第四，司徒第五，太保第六，太师第七，太史第八，宗伯第九，然后天子履行亲耕仪式。
乃命其旅曰： 徇，农师一之，农正再之，后稷三之，司空四之，司徒五之，太保六之，太师七之，太史八之，宗伯九之，王则大徇。
So he ordered everyone to: start working. The farmer is the first, the farmer is the second, the Houji is the third, Sikong is the fourth, Situ is the fifth, Taibo is the sixth, Taishi is the seventh, Taishi is the eighth, Zongbo is the ninth, and then the emperor performs the ceremony of kinship.