《旧五代史·后唐·庄宗纪五》
十九日，中书门下上奏： 懿祖陵墓请称作永兴陵，献祖陵请称作长宁陵，太祖陵请称作建极陵。 
丁巳，中书门下奏： 懿祖陵请以永兴为名，献祖陵请以长宁为名，太祖陵请以建极为名。 
On the 19th, the Central Secretariat reported: “Respectfully request to designate the mausoleum of the Yìzǔ as Yǒngxìng Mausoleum, the mausoleum of the Xiànzǔ as Chángníng Mausoleum, and the mausoleum of the Tàizǔ as Jiànjí Mausoleum.”