《旧唐书·本纪·卷十一》
二十二日，皇上诏令度支使支钱七十万贯、转运使支五十万贯来购买人民粮食，因为年成丰收谷物太便宜了。
庚申，诏度支使支七十万贯、转运使五十万贯和籴，岁丰谷贱也。
On the 22nd day, his majesty ordered the Finance Commissioner to pay out 700,000 yuan and the Transportation Commissioner to pay out 500,000 yuan to purchase grain from the people because the harvest was so good that the price of grain had gotten too low.