Referenced In

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

"and the other Caiju; the former is a large place, and the latter a little one."

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

"Concerning the City of Caiju. Caiju is a small city towards the south‐east. The people are subject to the Great Kaan and have paper‐money. It stands upon the river before mentioned."