Letter from Fr. Sanvitores to Fr. Juan Gabriel Guillen, Dated Taytay 22 July 1663

Levesque, Rodrigue (1995). "Letter from Fr. Sanvitores to Fr. Juan Gabriel Guillen, Dated Taytay 22 July 1663". History of Micronesia: A Collection of Source Documents. Volume 4, Religious Conquest, 1638-1670. Gatineau, Quebec: Éditions Lévesque. pp. 192–211. ISBN 0-920201-04-0.

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