《三国志·蜀书·黄李吕马王张传》
建兴八年，马忠被征召为丞相参军，副长史蒋琬留在府中主管事宜，马忠又兼任州治中从事。
八年，召为丞相参军，副长史蒋琬署留府事。又领州治中从事。
In the eighth year of Jianxing [230], Ma Zhong was recruited as a minister of the prime minister, and Deputy Grand Historian Jiang Wan was left in charge of the affairs in the office. Ma Zhong also served concurrently as the state-governed Zhongshi.