《资治通鉴·唐纪·唐纪三十三》
饶阳太守卢全诚占据郡城不接受安禄山的招降；河间郡司法李奂杀了安禄山所任命的和长史王怀忠；李随派游弈将訾嗣贤渡过黄河杀了安禄山所任命的博平太守马冀。这些忠义之士各有兵数千或一万人，共同推举颜真卿为盟主，军事行动都听从他的指挥。
饶阳太守卢全诚据城不受代；河间司法李奂杀禄山所署长史王怀忠；李随遣游弈将訾嗣贤济河，杀禄山所署博平太守马冀；各有众数千或万人，共推真卿为盟主，军事皆禀焉。
Lu Quancheng, Magistrate of Raoyang, occupied the county seat and did not accept An Lushan's solicitation to surrender; Li Huan, a judiciary officer of Hejian Commandery, executed Ma Jisi, the Magistrate of Boping, appointed by An Lushan; Li Sui sent Youyi General Zi Sixian to cross the Yellow River to execute Wang Huaizhong, the Prefect of Hechang, appointed by An Lushan. These loyal men each had thousands or ten thousand soldiers, and they jointly recommended Yan Zhenqing as their leader, obeying his command in all military actions.