《资治通鉴·魏纪·魏纪三》
司空陈群劝谏说： 太祖以前到阳平攻打张鲁，大量收集豆麦以增加军粮供给，张鲁没有攻下而粮食已经缺乏。
司空陈群谏曰： 太祖昔到阳平攻张鲁，多收豆麦以益军粮，鲁未下而食犹乏。
Sikong Chen Qun advised: In the past, the Tai Zu went to Yangping to attack Zhang Lu and collected a lot of beans and wheat to increase the military rations, however, he was not able to capture Zhang Lu and the food supplies ran out.