《旧唐书·本纪·卷二十》
十月二十九日，决定任命保义军节度留后、银青光禄大夫、检校户部尚书、兼御史大夫、上柱国朱友谦为金紫光禄大夫、检校尚书右仆射，兼任陕州大都督府长史、御史大夫，充任保义军节度使、陕虢观察处置使。
癸未，制以保义军节度留后、银青光禄大夫、检校户部尚书、兼御史大夫、上柱国硃友谦为金紫光禄大夫、检校尚书右仆射，兼陕州大都督府长史、御史大夫，充保义军节度、陕虢观察处置等使。
On October 29, it was decided to appoint Zhu Youqian, the commander of the Baoyi army, the Grand Master of Silverfish, the school household minister, the 御史, and the state duke, as the grand master of purple gold, the school minister of the right, the governor of Shaanxi and the 御史, the commander of the Baoyi army, the Shaanxi and Guo Observation and disposal envoy.