《宋史·本纪·卷六》
六月初九，李继迁围攻麟州，曹璨请求增兵，下诏发并、代、石、曝四州兵援助。
六月癸酉，继迁围麟州，曹璨请济师，诏发并、代、石、隰州兵援之。
On the ninth day of the sixth month, Li Jixian besieged Linzhou. Cao Can asked for reinforcements. The edict was issued to send troops from the four states of Bing, Dai, Shi, and Bao to help.