《资治通鉴·唐纪·唐纪六十一》
李仲言身材魁梧，潇洒豪爽，擅长文辞，而且口才好，足智多谋。
仲言仪状秀伟，倜傥尚气，颇工文辞，有口辩，多权数。
Li Zhongyan was tall and handsome, frank and forthright, and skilled with writing and speech. He was also quick-witted and resourceful.