TitleRoads map:Samar:Northern partContributorAllied Geographical SectionDescriptionSources of information U.S. Coast and Geodetic Survey, U.S. Army Engineers, Bureau of Public Works, Bureau of Lands, Bureau of Foresty and other Philippine Government Bureaus, provincial and municipal officials; Additions & amendments by Allied Geographical SectionLanguageEnglish
Allied Geographical Section South West Pacific Area Terrain Studies (1940). Monash Uni, accessed 18/05/2026, https://collections.monash.edu/nodes/view/77904
