Outcomes of dialect contact and the case of Pennsylvania Dutchified English -- A working description of Pennsylvania Dutchified English and South Central Pennsylvania English -- PDE phonological features and their use : unraveling in action for PDE obstruent devoicing -- Other PDE phonological features and their use : further evidence for the unraveling of PDE -- On the trail of the bidialectal -- The emergence of bidialectalism at the end of the life cycle of PDE : a case study.