《左传·襄公·襄公十一年》
十一年春季，季武子准备编定三个军，告诉叔孙穆子说： 请编三个军，每家管一个军。 
十一年春，季武子将作三军，告叔孙穆子曰： 请为三军，各征其军。 
In the spring of the eleventh year, Ji Wuzi planned to establish three armies, and told Shusun Muzi: "Please establish three armies and let each family manage one army."