《资治通鉴·唐纪·唐纪二十六》
前任右卫率府铠曹参军柳泽上疏认为： 斜封官都是通过中宗皇帝身边那些小人的引进而得到任用的，哪里是出自中宗孝和皇帝的本意呢！
前右率府铠曹参军柳泽上疏，以为： 斜封官皆因仆妾汲引，岂出孝和之意！
Former Youwei rate Cao Cao's military attache Liu Ze advised: "The oblique officials were all appointed through the introduction of the villains around Emperor Zhongzong. How could it come from the original intention of Emperor Zhongzong Xiaohe?"