Advances in the study of societal multilingualism / edited by Joshua A. Fishman - The Hague : Mouton Publishers, 1978 - 842 p. : ill. ; 24 cm. - Contributions to the sociological of language ; .9 . ISBN: 9027977429 Subjects--Topical Terms: Bilingualism--Addresses, essays, lecturesMultilingualism--Addresses, essays, lectures