Referenced In

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

"…Kazwini speaks of whales as often imprisoned by the ebb tide in the channels about Basra."

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

"Basra (Bastra), noted for its date-groves, i. 63, 65n"