text_combined: nan labov william university pennsylvania principles linguistic change volume 1 internal factors 1994 6 x 9 672 pages 0631 17914 3 paperback 29 95 0631 17913 5 hardcover 69 95 book develops general principles linguistic change form foundations historical linguistics dialectology sociolinguistics concerned factors govern internal development linguistic structures mechanisms change constraints change ways change embedded larger linguistic system blackwell publishers phone 800 2162522 fax 802 8647626 email blkwell world std com chambers j k university toronto sociolinguistic theory linguistic variation social significance february 1995 6 x 9 256 pages 0631 18326 4 paperback 19 95 0631 18325 6 hardcover 52 95 since inception sociolinguistics three decades ago correlation dependent linguistic variables independent social variables provided theoretical core discipline chambers reviews essential findings henrietta cedegren william labov lesley milroy james milroy david sankoff gillian sankoff peter trudgill walt wolfram many others puts context work numerous linguists followed lead intellectual forbears wilhelm von humboldt louis gauchat edward sapir blackwell publishers phone 800 2162522 fax 802 8647626 email blkwell world std com clackson james trinity college university cambridge uk linguistic relationship armenian greek january 1995 5 1 2 x 8 1 2 276 pages 0631 19197 6 paperback 29 95 work examines evidence special relationship greek armenian within indo european family contains studies methods used assess interrelationships within language families comparative reconstruction proto indo european interpretation greek armenian texts developments greek armenian languages work outlines existing methods employed assessing relationships languages genetic family sets forward principles investigations proceed following chapters examine specific agreements greek armenian assess significance relationship two languages blackwell publishers phone 800 2162522 fax 802 8647626 email blkwell world std com