《北史·列传·卷六十二》
又记录先前临幸涿郡和祭祀恒山时，当地父老去谒见，衣冠不整。
又录前幸涿郡及祠恆岳时，父老谒见者，衣冠不整。
And it was recorded that during the previous visit to Zhuozhou and the sacrifice to Hengshan, local elders went to visit with no proper attire.