Admiral Zheng's Fleet - A history of Chinese navigation.
Chinese Explorer May Redraw Map of History - A report from Xinhuanet concerning the proposal that Chinese explorers found America 72 years before Christopher Columbus.
Chinese Mariner Zheng He [Cheng Ho] - Zheng He sailed from China to places in South Pacific, Indian Ocean, Persian Gulf, Africa, and possibly America some 80 years before Columbus.
Explorer from China who 'beat Columbus to America' - An article in the Telegraph announcing a lecture by an amateur historian expounding his theory that when Columbus discovered America in 1492, he was 72 years too late.
The World's First Navigator - An article by Wang Xiaoqiu from China 2000 concerning Zheng He (1371-1433).