| Abbott, S. 1985. Nor-Pondo Lexicostatistical survey. Papers in New Guinea Linguistics, 22, 313-338. | 641 |
| Clouse, D.A. 1997. Towards a reconstruction and reclassification of the Lakes Plain languages of Irian Jaya. In Franklin, K. (ed). Papers in Papuan Linguistics No. 2. Pacific Linguistics: Canberra. | 4939 |
| Daniels, D. 2010. A preliminary phonological history of the Sogeram languages of Papua New Guinea. Oceanic Linguistics, 49, 163-193. | 780 |
| Daniels, D. 2016. Magi: An Undocumented Language of Papua New Guinea. Oceanic Linguistics, 55, 199–224. | 92 |
| Davies & Comrie. 1985. A linguistic survey of the Upper Yuat. In Adams et al. Papers in New Guinea Linguistics No. 22, pp. 275-312 | 1941 |
| Dutton, T.E., 1970. Notes on the languages of the Rigo area of the Central district of Papua. In S. A. Wurm & D. C. Laycock, eds. Pacific Linguistic Studies in honour of Arthur Capell. Canberra: Pacific Linguistics. | 2905 |
| Dutton, T.E., 2010. Reconstructing Proto Koiarian: The history of a Papuan language family, Canberra: Pacific Linguistics. | 1162 |
| Dye W., Townsend, P., & Townsend, W. 1968. The Sepik Hill Languages: A preliminary report. Oceania, 39: 146--156. | 479 |
| Foley, W.A. 2005. Linguistic prehistory in the Sepik-Ramu basin. Pp. 109-144.Pawley, A., Attenborough, R., Golson, R., & Hide, R. eds. Papuan pasts:cultural, linguistic and biological histories of Papuan-speaking peoples. | 1111 |
| Franklin KJ. 1975. Comments on Proto-Engan. In SA Wurm, Ed. New Guinea Area Languages and Language Study: Papuan languages and the New Guinea linguistic scene. Canberra: Pacific Linguistics, pp. 263-275. | 731 |
| Laycock, DC. 1968. Languages of the Lumi Subdistrict (West Sepik District), New Guinea. Oceanic Linguistics, 7 (1): 36-66. | 1830 |
| McElhanon, K.A. 1967. Preliminary Observations on Huon Peninsula Languages. Oceanic Linguistics. 6, 1-45. | 1398 |
| McElhanon, KA & Voorhoeve, CL. 1970. The Trans-New Guinea Phylum: Explorations in deep-level genetic relationships. Canberra: Pacific Linguistics. | 5024 |
| Ross, Malcom. 2014. Personal Communication | 12642 |
| Scott. 1978. The Fore language of Papua New Guinea. Canberra: Pacific Linguistics | 1475 |
| Smallhorn, J. 2011. The Binanderean languages of Papua New Guinea: reconstruction and subgrouping. Canberra: Pacific Linguistics. | 7645 |
| Voorhoeve CL. 1971. Miscellaneous Notes on Languages in West Irian, New Guinea. Papers in New Guinea Linguistics No. 14. Canberra. Pacific Linguistics. | 1313 |
| Voorhoeve, C. L. 1980. The Asmat Languages of Irian Jaya. Canberra: Pacific Linguistics. | 5145 |
| Xiao, H., 1990. A genetic comparison of Hua, Awa, and Binumarien. Language and Linguistics in Melanesia, 21, 143–166. | 203 |
