States Library of Congress: A Country Study: Mongolia. Sources Further reading Dschingis Khan und seine Erben (exhibition catalogue), München 2005 Qara Qorum-City (Mongolia). 1: Preliminary Report of the Excavations, Bonn 2002 Account of Tibetan visitor in 1256, spiritual advisor to Mongke Khan: Karma Pakshi:Tibetan Mahasiddha. External links Silk Road Seattle – Karakorum and Cities along the Silk Road, posted at the web site of the University of Washington, 2004. Treasures of Mongolia – Karakorum, Mongolia, UNESCO Courier, by Namsrain Ser-Odjav, March 1986. William of Rubruck's Account of the Mongols Mongolian-German excavations Mongol Empire Archaeological sites in Mongolia Former populated places in Mongolia Sites along the Silk Road Ögedei Khan