《魏书·列传·卷四十八》
又说： 过去周王被犬戎所逐，东迁河、洛之间，镐京仍然称 宗周 ，意在保存根本。
又曰： 昔周王为犬戎所逐，东迁河洛，镐京犹称 宗周 ，以存本也。
It is also said: When King Zhou was forced eastward by Rong dogs to settle between the rivers He and Luo, the capital of Hao was still named Zongzhou, in order to save its foundation.