Cover -- Half Title -- Title -- Copyright -- Original Title -- Original Copyright -- Contents -- Foreword by Professor Daryll Forde. Director, International African Institute -- Introduction by W.H. Whiteley. School of Oriental and African Studies, University of London -- A. General And Theoretical Studies -- I Joshua A. Fishman. 'Yeshiva University, New York National languages and languages of wider communication in the developing nations -- II Eugene A. Nida, American Bible Society, and William L. Wonderly, United Bible Societies Communication roles of languages in multilingual societies -- III W.P. Robinson. University of Southampton Restricted codes in socio-linguistics and the sociology of education -- IV Wallace E. Lambert. McGill University A social psychology of bilingualism -- V John J. Gumperz and Eduardo Hernandez Ch. University of California, Berkeley Cognitive aspects of bilingual communication -- VI Joshua A. Fishman and Robert L. Cooper. Yeshiva University, New 'York The interrelationships and utility of alternative bilingualism measures -- B. Empirical Studies Withinn Africa -- VII Clive Criper, University of Edinburgh, and Peterladefoged, University of California, Los Angeles Linguistic complexity in Uganda -- VIII M.H. Abdulaziz. University College, Nairobi Tanzania's national language policy and the rise of Swahili political culture -- IX Ali A. Mazrui. Makerere University College, KampalaIslam and the English language in East andWest Africa -- X T.P. Gorman. University College, Nairobi Socio-linguistic implications of a choice of media of instruction -- XI Joan Maw. School of Oriental and African Studies, University of London Socio-linguistic problems and potentialities of education through a foreign language -- XII C.A. Ferguson. Stanford University Contrasting patterns of literacy acquisition in a multilingual nation