Referenced In

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

"… Other teeth of Buddha were shown in Hiuen Tsang’s time at Balkh."

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

"From Balkh his wonderful journey proceeded further eastwards..."

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

"Balkh, 33 (from the INDEX)."