《新唐书·列传·卷一百二十七》
天宝初年，李白南下会稽，与吴筠友善，筠被召入京，白也到了长安。
天宝初，南入会稽，与吴筠善，筠被召，故白亦至长安。
In the early years of the Tianbao period, Li Bai traveled south to Kuaiji, where he befriended Wu Jun. When Jun was summoned to the capital, Bai went to Chang'an as well.