The volumes Romance Languages and Linguistic Theory published in the series Current Issues in Linguistic Theory contain the selected papers of the Going Romance conferences, a major European annual discussion forum for theoretically relevant research on Romance languages. Romance Languages and Linguistic Theory 2001 is the third such volume. It presents a selection of the papers that have been presented at the occasion of Going Romance 2001 (XV) which was held at the University of Amsterdam on December 6-8, 2001. The three-day program included a workshop on Determiners. The volume contains articles on specifics of one or more Romance languages or varieties: the architecture of the Determiner Phrase and properties of determiners, the left periphery of the sentence and clause structure, null elements and their interpretation, clitics, and other interesting phenomena in the Romance languages.