《新唐书·列传·卷八》
另外，左羽林大将军常元楷、知羽林军李慈全都私自拜见公主。
又左羽林大将军常元楷、知羽林军李慈皆私谒主。
In addition, the Grand General of the Left Feather Forest, Chang Yuankai, and the General of the Feather Forest, Li Ci, both visited the princess in private.