《北史·列传·卷五十》
他便派他的军司起草给吐谷浑的文告，与吐谷浑的广定王、忠留王等交战，把他们打得落花流水。因而，攻占了吐谷浑的洮阳、洪和两座城池，把这片地方改为洮州。
祥乃遣其军司檄吐谷浑，与浑广定王、锺留王等战，破之，因拔其洮阳、洪和二城，以其地为洮州。
He dispatched his military adviser to draft the announcement for Tuyuhun, fought against Guangdingwang and Zhongliu, completely routing them. Consequently, he annexed two cities of Tuyuhun, Taoyang and Honghe, and changed the names of the areas to Taizhou.