《金史·列传·卷二十》
太祖阿骨打把燕山六州割让给宋人，宋朝派郭药师作为王安中的副将把守燕山。
太祖割燕山六州与宋人，宋使药师副王安中守燕山。
Taizu Aguda ceded the six states of Yanshan to the Song people, and the Song Dynasty sent Guo Yaoshi as Wang Anzhong's deputy general to guard Yanshan.