Typologi
Bernard Comrie: Language Universals and Linguistic Typology – Syntax and Morphology. Second edition. Blackwell and Universty of Chicago Press. ISBN 0-226-11433-3. Kapittel 1 og 4-8.
Edward L. Keenan og Matthew S. Dryer: Passive in the World's Languages. 2007. http://linguistics.buffalo.edu/people/faculty/dryer/dryer/KeenanDryerPassive.pdf
Judith Aissen: Markedness and Subject Choice in Optimality Theory. Natural Language and Linguistic Theory 17, 4, 673-711, 1999. http://www.springerlink.com/content/0167-806x/17/4/
Kenneth Hale, Mary Laughren og Jane Simpson: "Warlpiri" i Joachim Jacobs et al. (red.) : Syntax: ein internationales Handbuch zeitgen?ssischer Forschung, 1996. Walter de Gruyter. pp.1430-1451.
Spr?kendring
Campbell, Lyle (siste utgave): Historical Linguistics – An Introduction. Edinburgh University Press. Utvalgte kapitler.