Certification by Admiral Esteban Ramos About the Ladrone Islands, Dated Manila 21 May 1665
From Habele Institute
Levesque, Rodrigue (1995). "Certification by Admiral Esteban Ramos About the Ladrone Islands, Dated Manila 21 May 1665". History of Micronesia: A Collection of Source Documents. Volume 4, Religious Conquest, 1638-1670. Gatineau, Quebec: Éditions Lévesque. pp. 257–259. ISBN 0-920201-04-0.
- Has attachment: File:L8ZHRSD2.pdf