See Reyes, El Folklore Filipino, p.
"Traditions of the Tinguian: A Study in Philippine Folk-Lore"
Fay-Cooper Cole
Isabelo de los Reyes reports that the Tinguianes, who inhabit the mountain forests of the northern cordilleras of Luzon, produce figures of stars, snakes, birds, etc.
"The Former Philippines thru Foreign Eyes"
Tomás de Comyn Fedor Jagor Rudolf Ludwig Carl Virchow Charles Wilkes
A little farther west, on a fine hill overlooking the river, in the midst of the ruined palaces of the early kings, stands the beautiful votive church of San Juan de los Reyes.
"Castilian Days"
John Hay