1. Bar-el Leora Rosulek Laura Felton Sprowls Lisa . 2017. “Montana English and Its Place in the West.” In Fridland et al. 2017, 107–38. https://doi.org/10.1215/00031283-4295299.
2. Becker Kara , ed. 2019. The Low-Back-Merger Shift: Uniting the Canadian Vowel Shift, the California Vowel Shift, and the Short Front Vowel Shifts across North America. Publication of the American Dialect Society 104. Durham, N.C.: Duke University Press. https://read.dukeupress.edu/pads/issue/104/1.
3. Becker Kara Aden Anna Best Katelyn Jacobson Haley . 2016. “Variation in West Coast English: The Case of Oregon.” In Fridland et al. 2016, 107–34. https://doi.org/10.1215/00031283-3772923.
4. Bigham Douglas S. 2010. “Correlation of the Low-Back Vowel Merger and TRAP-Retraction.” In “Selected Papers from NWAV 37,” edited by GormanKyleMacKenzieLaurel. University of Pennsylvania Working Papers in Linguistics 15, no. 2 (Mar.): 21–31. https://repository.upenn.edu/pwpl/vol15/iss2/4/.
5. Boberg Charles . 2005. “The Canadian Shift in Montreal.” Language Variation and Change17, no. 2 (July): 133–54. https://doi.org/10.1017/S0954394505050064.