"Yan Gang" . "Marginal victory by Yuan Shao" . . . "Battle of Jieqiao" . "Gongsun Zan" . . . "30,000 infantry, 10,000 cavalry" . "Battle of Jieqiao" . . . "Unknown" . . . . . . "China" . . "Han dynasty" . . "Less than Gongsun Zan" . . . . "Yuan Shao" . . . .