《三国志·魏书·少帝纪》
曹霖的几个儿子，都是皇亲国戚，听说曹霖的儿子中子中高贵乡公曹髦有成就大业的气量，现在令他作为明帝的继承人即天子位。
霖之诸子，与国至亲，高贵乡公髦有大成之量，其以为明皇帝嗣。
All several sons of Cao Lin are imperial relatives, having heard that among the sons of Cao Lin, Duke Gaogui Township Cao Mao has the air of achieving great undertakings, now he is ordered to be the heir of Emperor Ming, i.e., succeeding to the throne.