Dialects in the Indo-Aryan landscape. In John Nerbonne, Dominic Watt, and Charles Boberg eds. Handbook of Dialectology, Oxford: Wiley-Blackwell.

A new methodology for the study of aspect in contact. (with Devyani Sharma). In James Walker ed. Aspect in Grammatical Variation, pp. 111–130, John Benjamins.

Contact-based aspectual restructuring: A critique of the lexical aspect hypothesis. (with Devyani Sharma). In Queen Mary OPALS Series.

Variation and change in the individual: evidence from the Survey of English Dialects. (with Devyani Sharma and Joan Bresnan). In Robin Cooper and Ruth Kempson eds. Language in Flux: Dialogue Coordination, Language Variation, Change and Evolution, pp. 265–321. College Publications.

Grammatical constraints on variation: be and ‘nt in the Survey of English Dialects (with Joan Bresnan and Devyani Sharma). In English Language and Linguistics 11.2, pp. 301–346.[preprint]

Typological variation in the ergative morphology of Indo-Aryan languages. (with Devyani Sharma). In  Linguistic Typology 10.3, pp. 369–418.