The short history of the Ifugao Rice Terraces a local response to the Spanish conquest by Acabado, Stephen B., Koller, Jared M., Liu, Chin-hsin, Lauer, Adam J., Farahani, Alan, Barretto-Tesoro, Grace, Reyes, Marian C., Martin, Jonathan Albert, Peterson, John A.

Antiquity, archaeological processes, and highland adaptation the Ifugao Rice Terraces by Acabado, Stephen B.

Antiquity, archaeological processes, and highland adaptation the Ifugao rice terraces by Acabado, Stephen B.

Moray Inca engineering mystery by Wright, Kenneth R.

Available for University of the Philippines Diliman College of Engineering via ASCE Library. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via ASCE Library. Click here to access thru EZproxy

The origin and history of the Philippine rice terraces by Beyer, Henry Otley 1883-1966