The "Policy of Secrecy" in the Portuguese Discoveries

• The Supposed "Policy of Secrecy" in "the Time of the Infante D. Henrique"
• The "Policy of Secrecy" in "the Time of D. João II" and after

• The Portuguese Discoveries in "the Time of D. João II"
• Diogo Cão and his Explorations South of the Equator Beyond Angola
• The "Padrões" of the Discoveries
• Bartolomeu Dias and his Passage Beyond the Cape of Good Hope
• The First Portuguese Voyages to São Tomé e Príncipe
• The Portuguese Discoveries and the Exploration of the Western Atlantic
• Exploration of the Western Atlantic in "the Time of D. João II" and after
• Christopher Columbus and his Discovery of America
• Law and Diplomacy During the Time of the Discoveries
• The Treaty of Tordesillas and the Portuguese-Spanish Rivalry
• The Antecedents of the Treaty of Tordesillas and the Frontiers of Brazil
• The Cruzading Spirit and Attitudes Towards War in Portugal
• The Influence of Portuguese Nautical Science Abroad
• The Influence of Portuguese Cartography Abroad
• The So-Called "Cantino" Planisphere
• The Tordesillas Meridian and Political Aspects of Portuguese Cartography
• Portuguese Cartography of the New World - North and Central America
• Portuguese Cartography of the New World - Brazil and South America

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