English

The geographical conceptions of Columbus; a critical consideration of four problems

Issued also as thesis (Ph. D) University of California, 1924 · Bibliographical foot-notes · The determination of the length of a terrestrial degree by Columbus.--The route of Columbus on his first voyage as evidence of his knowledge of the winds and currents of the Atlantic.--Did Columbus believe that he reached Asia on his fourth voyage?--The identity of Florida on the Cantino map of 1502 · W Redfield Estate 1986

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