1947 — Chapman, James and Ethel, Escape to the Hills, The Jacques Cattell Press, Lancaster, PA
In two days there was a good-sized piyag, with a framework of poles, the sides and floor of woven bamboo, and the roof of abaca shingles which we were forced to use all during the war when we could not get nipa.
2012 — Cogan, Frances B., Captured: The Japanese Internment of American Civilians in the Philippines, 1941-1945 (15 March), University of Georgia Press
Farther away, but reasonably close to the “jungle house,” he also found a hollow under an overhanging rock and, with one of his friends, built a small piyag in it, which would shelter two people and hold a few emergency supplies.
