《宋史·列传·卷一百二十八》
方腊起义后，刘延庆任宣抚司都统，派遣刘光世自率一军赴衢、婺州，出其不意击破方腊。
方腊反，延庆为宣抚司都统，遣光世自将一军趋衢、婺，出其不意破之。
After Fang La's uprising, Liu Yanging was appointed as the chief governor of the appeasement envoy, and sent Liu Guangshi to lead his own troops to Yuzhou, Quzhou, and Wuzhou to defeat Fang La by surprise.