《旧唐书·本纪·卷十三》
秋七月二十六日，蔡、申、光三州春天发大水，夏天干旱，皇上赐绸缎五万段，米十万石，盐三千石。
秋七月庚辰，蔡、申、光三州春水夏旱，赐帛五万段，米十万石，盐三千石。
On the 26th day of July, Cai, Shen, and Guang prefectures experienced severe floods in the spring and droughts in the summer. The Emperor granted 50,000 pieces of silk, 100,000 bushels of rice, and 3,000 bushels of salt.