Pechen the Bontok peace pact institution - Brett, June Prill (Baguio City Cordillera Studies Center, University of the Philippines College Baguio, 1987)
Includes bibliographical references (pages 137-139)
Keywords: Pechen; Bontoks (Philippine people); Bontoks (Philippine people) -- Legal statutes, laws, etc; Bontoks (Philippine people) -- Social life and customs; Peace treaties