Wikimedia
Wikipedia: Juan De La Cosa
A biography of Juan de la Cosa who sailed with Columbus and owned the Santa Maria. Looks at his voyages and the maps he produced as a cartographer.
Other
Panama History: Juan De La Cosa
Article detailing the life of Juan de la Cosa who sailed with Christopher Columbus.
New Advent
Catholic Encyclopedia: Juan De La Cosa
A brief biography of Juan de la Cosa who sailed with both Columbus and Vespucci. His famous chart of the world is the oldest representation of the New World. Please note that "The Catholic Encyclopedia," is a historic reference source...
