《新唐书·本纪·卷九·懿宗 僖宗》
宣宗钟爱夔王李滋，想立李滋为皇太子，但李誛是长子，因而久悬未决。
始封郓王。宣宗爱夔王滋，欲立为皇太子，而郓王长，故久不决。
Emperor Xuānzong favored the Prince of Kui, Li Zi, and wanted to establish Li Zi as Crown Prince, but Li Ke was the eldest son, so he hesitated for a long time and did not make a decision.