Ileto, Reynaldo2026-04-052026-04-05971271585XORCID:/0009-0002-7163-8813/work/210509006https://hdl.handle.net/1885/733808145149en(Revision of the author's MA thesis, Cornell University, 1970. Originally published by the Southeast Asia Program, Cornell University, as Data Paper No. 82, October 1971)2007