"Golden Horde", in Encyclopaedia Britannica, 2007. Quotation: "also called Kipchak Khanate Russian designation for the Ulus Juchi, the western part of the Mongol Empire, which flourished from the mid-13th century to the end of the 14th century. The people of the Golden Horde were a mixture of Turks and Mongols, with the latter generally constituting the aristocracy." Cite error: Invalid <ref> tag; name "Britannica1" defined multiple times with different content.
