《南齐书·列传·卷五十七》
永明元年冬，派遣骁骑将军割缆、前军将军张谟出使魏国次年冬，魏国使者李道固报答回访，世祖在玄武湖指挥水军步兵练兵，登上龙舟接见他。
永明元年冬，遣骁骑将军刘缵、前军将军张谟使虏。明年冬，虏使李道固报聘，世祖于玄武湖水步军讲武，登龙舟引见之。
In the winter of the Yongming year, Xiao Daocheng sent General of Brave Horsemen Ge Tan and General of the Vanguard Zhang Mo as envoys to Wei. The next winter, Wei envoy Li Daogu returned the visit. Shi Zu reviewed the training of the navy and army on Xuanwu Lake and boarded the dragon boat to meet him.