Concept
Version 10
Created by Boundless
Society Under the Shang Dynasty
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Treasures of Ancient China exhibit - bronze battle axe."
http://en.wikipedia.org/wiki/File:CMOC_Treasures_of_Ancient_China_exhibit_-_bronze_battle_axe.jpg
Wikipedia
CC BY-SA 2.5.