《资治通鉴·唐纪·唐纪五十九》
庚辰，唐文宗根据王智兴的建议，任命保义节度使寰为横海节度使。十二月，庚戌，唐文宗加封武宁节度使王智兴同平章事的职务。
庚辰，以保义节度使李寰为横海节度使，从王智兴之请也。十二月，庚戌，加王智兴同平章事。
Gengchen, Emperor Wenzong of Tang, based on Wang Zhixing's suggestion, appointed the Protector General of Baoyi, Huan, as the Protector General of Henghai. In December, Gengxu, Emperor Wenzong of Tang granted the Protector General of Wuning, Wang Zhixing, the rank of Tongpingzhangshi.