Letter from Governor Silva to the King, Dated Manila 4 August 1625

From Habele Institute

Levesque, Rodrigue (1993). "Letter from Governor Silva to the King, Dated Manila 4 August 1625". History of Micronesia: A Collection of Source Documents. Volume 3, First Real Contact, 1596-1637. Gatineau, Quebec: Éditions Lévesque. pp. 595–597. ISBN 0-920201-03-2.

Abstract: Spanish reports respond to the Nassau Fleet’s activities, emphasizing the danger posed to Manila–Acapulco communications. They call for stronger defenses and highlight the threat of Dutch incursions into Micronesia. Islands such as the Marianas are mentioned as critical to holding the Pacific.