Frontmatter -- Table of contents -- Abbreviations used in glosses -- Abbreviations used in text -- List of tables -- List of figures and graphs -- Acknowledgements -- 1. Introduction: History and theories of second language acquisition -- 2. Subjects in Spanish -- 3. Parametric studies in the acquisition of subject pronouns -- 4. The syntax-pragmatics interface in the acquisition of subject pronouns -- 5. Processing studies and L2 subject pronoun acquisition in Spanish -- 6. Discourse-pragmatics approaches in the acquisition of subject expression -- 7. A variationist approach to L2 subject pronoun acquisition -- 8. Summary of findings -- References -- Index