《宋史·本纪·卷十四》
台州百姓延赞等九人，年纪都在百岁以上，一起授给台州助教。
台州民延赞等九人，年各百岁以上，并授本州助教。
Tai Prefecture residents Yan Zan and eight others, all over 100 years old, were granted the title of Assistant Professor of Tai Prefecture.