Frontmatter -- Table of contents -- Introduction -- Pro-drop in the history of German - From Old High German to the modern dialects -- Historical pathways to null subjects: Implications for the theory of pro-drop -- Uncovered pro - On the development and identification of null subjects -- Silent resumptives in Zurich German possessor relativization -- Anti-agreement with subjects and possessors from a typological perspective: A case for null pronouns or for economy? -- Language index -- Subject index