Legazpi’s Voyage: Logbook of Pilot Major E. Rodriguez First Chamorro Dictionary

Levesque, Rodrigue (1992). "Legazpi's Voyage: Logbook of Pilot Major E. Rodriguez First Chamorro Dictionary". History of Micronesia: A Collection of Source Documents. Volume 2, Prelude to Conquest, 1561-1595. Gatineau, Quebec: Éditions Lévesque. pp. 79–104. ISBN 0-920201-02-4.

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Abstract: Provides a detailed account of Legazpi’s voyage and discoveries, noting the course of the journey, islands sighted, and contacts with local populations. Records the exploration of islands such as Mejit and Ailuk (in today's Republic of the Marshall Islands), with observations of inhabitants, descriptions of their lifestyle, and the absence of weapons. Mentions difficulties in anchoring due to the depth of surrounding waters, as well as trading interactions with welcoming islanders.

Further describes encounters with the Chamorro people on Guam (referred to as “Guan” in the log), including details of attire, trading practices, and vocabulary, making it the first recorded Chamorro wordlist. Notes the island’s resources, settlement patterns, and the use of navigational techniques such as solar elevation to determine latitude.

The account concludes with the flagship’s preparations for the return voyage to New Spain, detailing provisions and personnel aboard. It also highlights negotiations with local rulers and communities to establish peaceful relations and trade.