Legazpi: Letter from the King to the Viceroy of New Spain, Dated Valladolid 24 September 1559

Levesque, Rodrigue (1992). "Legazpi: Letter from the King to the Viceroy of New Spain, Dated Valladolid 24 September 1559". History of Micronesia: A Collection of Source Documents. Volume 2, Prelude to Conquest, 1561-1595. Gatineau, Quebec: Éditions Lévesque. pp. 29–31. ISBN 0-920201-02-4.

• Has attachment: File:ITDNKH9T.pdf

Abstract: A letter from King Philip II of Spain to Don Luis de Velasco, the Viceroy of New Spain, outlines instructions for a maritime expedition to explore lands near the Moluccas, particularly the Philippine Islands, while avoiding conflict with Portuguese territories. The King directs Velasco to prepare two ships with proper equipment and personnel, emphasizing the importance of determining whether a return voyage across the Pacific is practical and cost-effective.

The letter also notes considerations for artillery and barter goods to ensure both defense and trade, and it requests the inclusion of Fray Andrés de Urdaneta, valued for his prior experience in the Spice Islands. Philip II stresses the need for the expedition to chart a reliable return route to New Spain and advises that plans be discussed cautiously to prevent indiscretions.