Galvao sent Captain Castro on a gospel mission to the Philippines
From Habele Institute
Levesque, Rodrigue (1992). "Galvao sent Captain Castro on a gospel mission to the Philippines". History of Micronesia: A Collection of Source Documents. Volume 1, European Discovery, 1521-1560. Gatineau, Quebec: Éditions Lévesque. pp. 563–566. ISBN 0-920201-01-6.
- Has attachment: File:RWV4YLGH.pdf
Abstract: Record of Galvão commissioning Captain Castro for a missionary voyage to the Philippines. It highlights religious motivations and the strategy of Christianization alongside exploration.