Yena tam ngamin = A Mother to us all the miraculous Brown Madonna of Cagayan River Valley - Caballero, Roberto Cannu (Pasig City Piat Legacy Foundation, 2003)
Includes index.
Keywords: Mary, Blessed Virgin, Saint -- Devotion to -- Philippines -- Piat (Cagayan).; Piat, Our Lady of; Cagayan Valley -- Religious life and customs