《旧唐书·列传·卷一百一十六》
长庆元年三月，白居易受诏与中书舍人王起一道，对礼部侍郎钱徽录取的进士郑朗等十四人进行复试。
长庆元年三月，受诏与中书舍人王起覆，试礼部侍郎钱徽下及第人郑朗等一十四人。
In March of the first year of the Longqing era, Bai Juyi was ordered to conduct a reexamination of the fourteen jinshi candidates, including Zheng Lang, who had been admitted by Qian Hui, the Assistant Minister of the Ministry of Rites, together with Wang Qi, the "Subordinate Official for Literate Advisors".