Referenced In

The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano

"Alashan is not an abbreviation of Alade-Shan and has nothing to do with the name of Eleuth, written in Mongol Ögälät."

The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano

"Alashan, 62 (from the INDEX)."