Analysis of information sources in references of the Wikipedia article "Central Luzon" in English language version.
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: CS1 maint: multiple names: authors list (link)These people (Ilongot) scattered rancherias toward Baler and sustain trading relations with the Tagalog of that town, but are hostile with the Ilongot of Nueva Vizcaya jurisdiction... It may be that these Ilongot communicate with the Tagalog town of Kasiguran.
1.a. Region No. 1 is called the Ilocos Region, and comprises the provinces of Ilocos Norte, Ilocos Sur, Abra, La Union, Benguet, Mountain Province, and Pangasinan, and the cities of Baguio, Laoag, Dagupan, and San Carlos, with regional center at San Fernando, La Union.
When military district of El Príncipe was created in 1856, Baler became its capital...On June 12, 1902 a civil government was established, moving the district of El Príncipe away from the administrative jurisdiction of Nueva Ecija...and placing it under the jurisdiction of Tayabas Province.
SECTION 4. The Province of Aurora is hereby transferred to and shall form part of Region III.
SECTION 4. The Province of Aurora is hereby transferred to and shall form part of Region III.
When military district of El Príncipe was created in 1856, Baler became its capital...On June 12, 1902 a civil government was established, moving the district of El Príncipe away from the administrative jurisdiction of Nueva Ecija...and placing it under the jurisdiction of Tayabas Province.
SECTION 4. The Province of Aurora is hereby transferred to and shall form part of Region III.