Wikimedia
Wikipedia: Wheel
An encyclopedia article from Wikipedia on the wheel discusses how wheels operate and travel on surfaces, and gives information on the invention and use of the wheel in ancient times. Links are also provided for additional information.
Able Media
The Asclepion: Medicine in Ancient Mesopotamia
This site is an online resource if you are researching medicine in Ancient Mesopotamia. Many sections include historical background, sources, concepts, and practitioners.
University of Chicago
Oriential Institute: An Ancient Pull Toy From Ancient Mesopotamia
Learn about an acient pull-toy that the Mesopotamian children used and how it relates to achievements of this era including the invention of the wheel.