《宋书·列传·卷七十四》
沈攸之派中兵参军公孙方平率骑兵和步兵进军武昌，太守臧焕丢下郡务投奔西阳太守王毓，他们共同逃到盆口，公孙方平得以占领西阳，建宁太守张谟率臧太守丢下的一千人进攻公孙方平，公孙方平被打败逃走。
攸之遣中兵参军公孙方平马步三千向武昌，太守臧涣弃郡投西阳太守王毓，奔于盆口，方平因据西阳。建宁太守张谟率二守千人攻之，方平破走。
Shen Youzhi sent Gongsun Fangping, Zhongbing Imperial Guard, to lead cavalry and infantry to advance on Wuchang. Prefect Zang Huan abandoned his county affairs and fled to Wang Yu, Governor of Xuyang. They escaped together to Penkou, Gongsun Fangping was able to occupy Xuyang. Zhang Mo, Governor of Jianning, led the one thousand people abandoned by Prefect Zang to attack Gongsun Fangping, who was defeated and fled.