《资治通鉴·晋纪·晋纪二十一》
前秦太子苻苌等退守驻扎在城南，前秦国主苻健与六千老弱民众固守长安小城，把三万精锐兵士全部派出，让大司马雷弱儿等人与苻苌会合兵力，以抵抗桓温。
秦太子苌等退屯城南，秦主健与老弱六千固守长安小城，悉发精兵三万，遣大司马雷弱儿等与苌合兵以拒温。
Former Qin Crown Prince Fu Chang and others retreated and garrisoned south of the city, while Former Qin’s Emperor Fu Jian and six thousand elderly and weak people defended the small city of Chang'an, sending out thirty thousand elite soldiers, so that Grand Marshal Lei Ruo’er and others could join forces with Fu Chang to resist Huan Wen.