《资治通鉴·唐纪·唐纪六》
刘黑闼到定州，他的旧部下曹湛、董康买逃亡在鲜虞，重新召集兵马响应刘黑闼。
刘黑闼至定州，其故将曹湛、董康买亡命在鲜虞，复聚兵应之。
When Liu Heta arrived in Dingzhou, his former subordinate Cao Zhan and Dong Kangmai escaped to Xianyu and re-assembled troops to respond to Liu Heta.