Grant, A. J., Keyes, L., Keyes, L., Leaño, I. W., Madale, A., Reynolds, H. R., . . . Grant, F. B. (1973). The Isneg of the northern Philippines: A study of trends of change and development. Anthropology Museum, Silliman University.

Grant, Alex J., Lynn Keyes, Lillian Keyes, Isabel Walingchan Leaño, Abdullah Madale, Harriet Robertson Reynolds, Hubert Reynolds, and Fern Babcock Grant. The Isneg of the Northern Philippines: A Study of Trends of Change and Development. Dumaguete City: Anthropology Museum, Silliman University, 1973.

Grant, Alex J., et al. The Isneg of the Northern Philippines: A Study of Trends of Change and Development. Anthropology Museum, Silliman University, 1973.