《新唐书·本纪·卷二·太宗》
二月初二，将九萯山营建为帝王墓地，赏赐功臣、近戚随葬墓地和棺木。
二月丁巳，营九摐山为陵，赐功臣、密戚陪茔地及秘器。
On the second day of the second month, Jiuxianshan was built as an imperial cemetery, and meritorious officials and close relatives were awarded burial sites and coffins.