Referenced In

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

"At Hankow: under General Regulation, Steamers, 2314; 2,101,555 tons, of which Chinese, 758; 462,424 tons; sailing vessels, 1137; 166,118 tons, of which Chinese, 1129; 163,724 tons; under Inland Steam Navigation Rules, 1682 Chinese vessels, 31,173 tons."