Referenced In

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

"Some of the Miau-tzŭ of Kweichau are described as wearing armour of buffalo-leather overlaid with iron plates."

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

"the aboriginal tribes of Kweichau is mentioned by Chinese authorities"

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

"Fortified Villages on Western frontier of Kweichau. (From Garnier.)"