《宋史·本纪·卷十六》
九月初二，董毡遣使臣来进贡，并报告说已经派遣首领洛施军笃乔阿公等人率三万士兵会合宋军攻打夏国。
九月乙酉，董毡遣使来贡，且言已遣首领洛施军笃乔阿公等将兵三万会击夏
On the second day of the ninth month, Dongzhan sent an envoy to pay tribute and reported that he had dispatched leaders such as Luoshijun Duqiaogong to lead 30,000 soldiers to join forces with the Song army to attack the Xia state.