The Family Tree and History of Lamberto Hontiveros Tirol
The Woman Behind the Greening of Boracay, Historical Newspaper, Encyclopedia Britannica
The Woman Behind the Greening of Boracay, Reprinted, The Encyclopedia Britannica
Central Asian Academic Studies
Sofia Ner Gonzales vda. de Sr. Lamberto Hontiveros Tirol
Lamberto H. Tirol National High School
Some of the Heirs of Lamberto Hontiveros Tirol and Sofia Ner Gonzales
Balancing Paradise and Pandemonium
Peak into the History of Boracay Island
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