《资治通鉴·汉纪·汉纪二十七》
夏季，四月，丁酉，任命左将军甄丰为大司空，右将军孙建为左将军，光禄勋甄邯为右将军。
夏，四月，丁酉，左将军甄丰为大司空，右将军孙建为左将军，光禄勋甄邯为右将军。
In the summer, in April, Ding You, Zuo Jiangjun Zhen Feng was appointed Da Sikong, You Jiangjun Sun Jian was appointed Zuo Jiangjun, and Guanglu Xun Zhen Han was appointed You Jiangjun.