The Handbook of Historical Linguistics

"The Handbook of Historical Linguistics "provides a detailed account of the numerous issues, methods, and results that characterize current work in historical linguistics, the area of linguistics most directly concerned with language change as well as past language states.
Contains an extensive introduction that places the study of historical linguistics in its proper context within linguistics and the historical sciences in general
Covers the methodology of historical linguistics and presents sophisticated overviews of the principles governing phonological, morphological, syntactic, and semantic change
Includes contributions from the leading specialists in the field