Nichols, Lynn. 1999. "Movement To Specifiers." In Specifiers: Minimalist Approaches, edited by Susan Pintzuk David adger et al.. 206-230. Oxford University Press.

Megu, Arak. 1990. "Bokar Language Guide." Directorate of Research, Government of Arunachal Pradesh.

Hive, H. E. 1948. "A Cree Grammar." The Missionary Society of the Church of England in Canada.

Harrison, Carl Howard. 1970. "Syntactical Aspects of Asurini Monologue Discourse."

Haarh, Erik. 1968. "The Zhang-zhung Language. A Grammar and Dictionary of the Unexplored Language of the Tibetan Bonpos." Arhus Universitetsforlaget.

Davidson, Matthew. 2002. "Studies in Southern Wakashan (Nootkan) Grammar."

Cook, C. D. 1975. "Nucleus and Margin in Zuni Clause Types." In Linguistics, 152: 5-38.

Coleman, Carolyn. 1982. "A Grammar of Gunbalang with Special Reference To Grammatical Relations."

Clifton, John M. 1997. "The Kaki Ae Language." In Materials on Languages in Danger of Disappearing in the Asia-Pacific Region. Volume 1: Some Endangered Languages of Papua New Guinea: Kaki Ae, Musom, and Aribwatsa, edited by Stefan A. Wurm. 89: 3-65. Australian National University.

Breen, John Gavan. 1970. "A Description of the Waluwara Language."