《元史·本纪·卷二十八》
六月，寇贼包围宁都，州民孙正臣拿出粮食供给军队，旌表其门。
六月，寇围宁都，州民孙正臣出粮饷军，旌其门。
In June, the local rebels surrounded Ningdu, and the state citizen Sun Zhengchen provided the army with food, and their door was marked with a banner.