《资治通鉴·汉纪·汉纪五十六》
袁绍自从官渡战败之后，羞愧愤恨，发病吐血。夏季，五月，袁绍去世。
袁绍自军败，惭愤，发病呕血；夏，五月，薨。
Since his defeat at the Battle of Guandu, Yuan Shao was filled with shame and indignation, and suffered a severe illness and vomited blood. In the summer, in the 5th month, Yuan Shao died.