This volume features fourteen papers by leading specialists on various aspects of historical morpho-syntax in the Ibero-Romance languages. In these papers, fine-grained analyses are developed to capture the richness of undiscussed or -often- previously unknown data. Comparative across the (Ibero-)Romance languages and diverse in terms of the approaches considered, ranging from cognitive-functionalist to generativist to variationist, they combine in this volume to showcase the merits of different, yet complementary, perspectives in understanding linguistic variation and language change. The...