《新五代史·列传·杂传第四十二》
唐明宗多次挽留他，郑珏四次上书，于是拜为左仆射辞官居家，赏赐郑州的庄园一处。
明宗数留之，珏章四上，乃拜左仆射致仕，赐郑州庄一区。
Emperor Mingzong of Tang repeatedly tried to retain him, and Zheng Jue submitted letters four times, and so he was appointed as the Left Minister and retired from office and went home, and was granted an estate in Zhengzhou.