Billigmeier, Robert Henry A crisis in Swiss pluralism / Robert Henry Billigmeier - The Hague : Mouton Publishers, 1979 - xiii, 450 p. ; 24 cm. - Contributions to the sociology of language ; 26 . ISBN: 9027975779 Subjects--Topical Terms: Graubunden (Switzerland)--HistoryRaeto-Romance language--HistoryRaeti Subjects--Geographic Terms: Switzerland--Languages Dewey Class. No.: 949.4