《北史·本记·卷九》
四月，军队到达上陇。宇文泰留下哥哥的儿子宇文导为都督，镇守原州。
四月，引兵上陇，留兄子遵为都督，镇原州。
In the fourth month, the army arrived at Shanglong. Yuwen Tai left his elder brother's son Yuwen Dao as the general governor to guard Yuanzhou.