《汉书·传·货殖传》
猗顿靠经营池盐起家，而邯郸人郭纵靠炼铁和铸造铁器积聚家业，财富多得可以和王侯相比。
猗顿用盬盐起，邯郸郭纵以铸冶成业，与王者埒富。
Yidun made his fortune by trading in salt in ponds, while Guo Zong from Handan amassed wealth by smelting and casting ironware, and their wealth was comparable to the kings and dukes.