book historical linguistic historical linguistics anna giacalone ramat paolo ramat ed indoeuropean languages since classic reference work appear indo european work however step forth fill major gap rapidly change field full recent achievement linguistic theory useful both introductory survey reference advance student scholar volume provide insight variation indo european study while same present unify overview indo european work available combine historical understand indo european survey various subgroup volume useful broad range reader include student historical linguistics comparative philology modern language student interest background language study anyone interest process language change evolution routledge language family description routledge pp cl x c information title routledge london york north america www routledgeny com elsewhere www routledge com 