Pätzold, Klaus. Die Palau-Sprache Und Ihre Stellung Zu Anderen Indonesisischen Sprachen. PhD thesis, , 1968.

Paton, W. F. 1971. "Ambrym (Lonwolwol) Grammar." 19: Canberra: Research School of Pacific and Asian Studies, Australian National University.

Palmer, Bill. A Grammar of the Kokota Language, Santa Isabel, Solomon Islands. PhD thesis, University of Sydney, 1999.

Palmer, Bill. 2002. "Kokota." In The Oceanic Languages, edited by John Lynch et al.. 498-524. Richmond: Curzon.

Paauw, Scott H. The Malay Contact Varieties of Eastern Indonesia: A Typological Comparison. PhD thesis, State University of New York at Buffalo, 2009.

Oudemans, J. A. C. 1879. "Woordenlijst Van De Talen Van Enggano, Mentawei En Nias." In Tijdschrift voor Indische de Taal-, Land- en Volkenkunde, XXV: 484-488.

Oguri, Hiroko. 1986. "Adversative Relations in Isirawa Narrative Discourse." In Papers in New Guinea Linguistics No.~25, 74: 249-261. Canberra: Research School of Pacific and Asian Studies, Australian National University.

Oguri, Hioko. 1985. "Isirawa Clauses." In Papers in New Guinea Linguistics 22, 63: 139-154. Canberra: Research School of Pacific and Asian Studies, Australian National University.

Nourse, Jennifer Williams. We Are the Womb of the World: Birth Spirits and the Laujé of Central Sulawesi. PhD thesis, University of Virginia, 1989.

Nouhuys, J. W. van. 1915. "Der Bergstamm Pĕsĕchĕm Im Innern Von Niederländisch-Neu-Guinea." In Nova Guinea, VII , no. I: 1-36.