《资治通鉴·唐纪·唐纪四十九》
勿邓部落的酋长苴梦冲，暗中勾结吐蕃，煽动诱惑群蛮，隔断云南使者与唐朝的往来，韦皋派遣两林、勿邓、丰琶三部落的总管苏领兵来到琵琶川。
勿邓酋长苴梦冲，潜通吐蕃，扇诱群蛮，隔绝云南使者。韦皋遣三部落总管苏峞将兵至琵琶川。
The chief of Wudeng tribe, Ju Mengchong, secretly colluded with Tubo, instigated and seduced the barbarians, and cut off the contacts between the Yunnan envoy and the Tang Dynasty. Wei Gao sent the generals of the two Lin, Wudeng, and Fengpa tribes to lead troops to the Pipa River.