《史记·七十列传·卫将军骠骑列传》
校尉李朔、校尉赵不虞、校尉公孙戎奴，每人都三次跟随大将军俘获匈奴小王，划定一千三百户封李朔为涉轵侯，划定一千三百户封赵不虞为随成侯，划定一千三百户封公孙戎奴为从平侯。
校尉李朔，校尉赵不虞，校尉公孙戎奴，各三从大将军获王，以千三百户封朔为涉轵侯，以千三百户封不虞为随成侯，以千三百户封戎奴为从平侯。
Lieutenant Colonel Li Shuo, Lieutenant Colonel Zhao Buyu, and Lieutenant Colonel Gongsun Rongnu, each thrice captured Hun small kings with Great General, 1,300 households marked as fief, Li Shuo enfeoffed as She Zhe Marquis, 1,300 households marked as fief, Zhao Buyu enfeoffed as Sui Cheng Marquis, 1,300 households marked as fief, Gongsun Rongnu enfeoffed as Cong Ping Marquis.