This volume aims to make a contribution to codifying the methods and practices linguists use to recover language history, focussing predominantly on historical morphology. The volume includes studies on a wide range of languages: not only Indo-European, but also Austronesian, Sinitic, Mon-Khmer, Basque, one Papuan language family, as well as a number of Australian families. Few collections are as cross-linguistic as this, reflecting the new challenges which have emerged from the study of languages outside those best known from historical linguistics. The contributors illustrate shared methodol.