books.google.co.uk - This book develops the general principles of linguistic change that form the foundations of historical linguistics, dialectology and sociolinguistics. It is concerned with the factors that govern the internal development of linguistic structures: the mechanisms of change, the constraints on change, and...http://books.google.co.uk/books/about/Principles_of_Linguistic_Change_Internal.html?id=HW4Zf0yuYoIC&utm_source=gb-gplus-sharePrinciples of Linguistic Change, Internal Factors
