The University of Pennsylvania Working Papers in Linguistics (PWPL) is an occasional series published by the Penn Linguistics Club, the graduate student organization of the Linguistics Department of the University of Pennsylvania. The series has included volumes of previously unpublished work, or work in progress, by linguists with an ongoing affiliation with the Department, as well as volumes of papers from the NWAV conference and the Penn Linguistics Colloquium. The current PWPL series editors are Sudha Arunachalam, Maciej Baranowski, Uri Horesh, Ian Ross, Tara Sanchez, Tatjana Scheffler, Sandhya Sundaresan, and Alexander Williams. This volume contains the proceedings of the 27th Annual Penn Linguistics Colloquium, held from February 21 to 23, 2003, at the University of Pennsylvania in Philadelphia.