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2016 “Coherence, covariation, and bricolage.” Lingua Special Issue vol 172-173:1-9. (Co-editor, with Frans Hinskens).
2015 “The effect of salience on co-variation in Brazilian Portuguese.” University of Pennsylvania Working Papers in Linguistics 21:2, Article 18. (second author, w. Livia Oushiro)
2014 “Linking usage and grammar: Generative phonology, exemplar theory, and variable rules.” Lingua 142:57-65.
2014 “Variation and change in Latin American Spanish and Portuguese.” In A. Carvalho and P. Amaral, eds. Portuguese/Spanish Interfaces. Philadelphia: Benjamins.
2013 “The cognitive coherence of sociolects: How do speakers handle multiple sociolinguistic variables?” Journal of Pragmatics 52:63-71.
2013 “Words and numbers: statistical analysis in sociolinguistics.” In J. Holmes and K. Hazen, eds. Research Methods in Sociolinguistics. pp. 194-210. London: Wiley/Blackwell.
2012 “The role of lexical frequency in syntactic variability: Variable subject personal pronoun expression in Spanish.” Language 88(3): 526-557. (second author, with Daniel Erker).
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2007 “Variation and Phonological Theory” In: R. Bayley & C. Lucas, eds. Sociolinguistic Variation: Theories, Methods, and Analysis. Cambridge: Cambridge University Press. 5-23
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1997 “The obligatory contour principle and sociolinguistic variation.” Language Variation and Change 9:149-164. (lead author; with Charles Boberg).
1996 “Post-Saussurean linguistics: Towards an integrated theory of language.” In M. Meyerhoff, ed. (N)WAVES and MEANS: A selection of papers from NWAVE 24 (University of Pennsylvania Working Papers in Linguistics 3:1), 1-24.
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1988 “Advanced VARBRUL analysis.” In K. Ferrara, B. Brown, K. Walters & J. Baugh, eds. Linguistic change and contact: NWAV-XVI, 124-136. (Texas Linguistic Forum 30). Austin: University of Texas, Department of Linguistics.
1986 “An intonational change in progress in Australian English.” Language in Society 15 (1) 23-52. (Lead author; with B. Horvath, J. Vonwiller, E. Daisley, & I. Rogers.)
1980 “Variation in the group and the individual: the case of final stop deletion.” In W. Labov, ed., Locating Language in Time and Space, 1-36, New York: Academic Press.