Letter from the Portuguese factor Sebastian Alvarez to the King of Portugal

From Habele Institute

Levesque, Rodrigue (1992). "Letter from the Portuguese factor Sebastian Alvarez to the King of Portugal". History of Micronesia: A Collection of Source Documents. Volume 1, European Discovery, 1521-1560. Gatineau, Quebec: Éditions Lévesque. pp. 184–188. ISBN 0-920201-01-6.

Abstract: Letter from Portuguese factor Sebastian Alvarez reporting on Spanish preparations for Magellan’s voyage. It reflects Iberian rivalry and early intelligence-gathering surrounding access to the Spice Islands.