Found in articles
Arcilla (1986), RR philippine almanac: book of facts 1986 edition, Ramon Roces y Pardo Philippine Historical Association (2000), Philippine Legislature, 100
Huling Paalam
(1961). 'Translations of Mi Ultimo Adios,' in Historical Bulletin Manila. Philippine Historical Association. Multiple Authorship (1990). Mi Ultimo Adios
Ruy López de Villalobos
Villalobos Expedition 1542-1546." Sa: The Bulletin of the Philippine Historical Association, Blg. 5, Setyembre. Escalante Alvarado, García de. 1546. Colección
Philippine Historical Committee (ngayon ay tinatawag bilang National Historical Commission of the Philippines), ang Philippine Historical Association
Philippine Airlines
net/251809/philippine-airlines-receives-first-a321neo-aircraft http://lifestyle.inquirer.net/300151/philippine-airlines-accepts-historical-delivery-a350/