《旧五代史·后唐·列传四》
四月，汾州刺史李瑭谋反，向汴州贡献财物交结，李嗣昭讨伐他，三天内被攻下，诛杀李瑭。
四月，汾州刺史李瑭谋叛，纳款于汴；嗣昭讨之，三日而拔，斩瑭。
In April, Li Tang, the governor of Fen州, rebelled, dedicated money and goods to Bianzhou to make friends with him. Li Sizhao conquered him. Within three days, he was defeated and Li Tang was executed.