《资治通鉴·唐纪·唐纪六十六》
冬季，十月，丙申朔，唐懿宗立皇子李佾为魏王，李为凉王，李佶为蜀王。
冬，十月，丙申朔，立皇子佾为魏王，侹为凉王，佶为蜀王。
In the tenth lunar month of the winter, on the first day of the month, Emperor Yizong made his imperial sons Li Yi the Prince of Wei, Li Wei the Prince of Liang, and Li Ji the Prince of Shu.