Referenced In

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

"La-mêng and Chen an so are in the territory of the Shan Sawbwa of Mang Shih [Möng Hkwan]."

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

"The Salween was crossed on the third day at La-mêng Ferry."