《新唐书·列传·卷一百四十一》
于是宰相李忠臣、卢杞、关播、崔宁、工部尚书乔琳、御史大夫于颀、太府卿张献恭、司农卿段秀实、少府监李昌夔、京兆尹王罖、金吾卫大将军浑蠨与区颊赞等会盟于京城右郊，礼仪与清水盟同。
于是宰相李忠臣卢杞关播崔宁、工部尚书乔琳、御史大夫于颀、太府卿张献恭、司农卿段秀实、少府监李昌夔、京兆尹王翃、金吾卫大将军浑瑊与区颊赞等同盟京城之右郊，礼如清水。
So prime minister Li Zhongchen, Lu Qi, Guan Bo, Cui Ning, minister of industry Qiao Lin, head censor Yu Qi, minister of the imperial household Zhang Xianggong, minister of agriculture Duan Xiush, minister of the lesser household Lee Changkui, prefect of jingzhao, Wang Yan, general of the Jinwu Guards Hun Xu, and Qujia Zan and others made a covenant in the right suburb of the capital. The etiquette was the same as that of the Qingshui Covenant.