《资治通鉴·宋纪·宋纪二》
从统万强行迁徙的民户在途中死亡甚多，能到达平城的，不过十分之六七。
统万徙民在道多死，能至平城者什才六七。
A great many of the families forcibly moved from Tongwan died on the way, and only about six or seven out of ten were able to reach Pingcheng.