University of Maryland
University of Maryland: The Imperial Era: Mongolian Interlude
Read about the interlude of Mongol rule in China with Kublai Khan establishing the Yuan dynasty. This introduced vast cultural changes in China.
Minneapolis Institute of Arts
The Minneapolis Institute of Arts: Yuan Dynasty Map
This site from The Minneapolis Institute of Arts provides a full color map that details the expanse of the Yuan Dynasty from 1280 - 1365 A.D.