This report contains 23 papers dealing with various aspects of bilingualism: E. Haugen, "Linguistics and Dialinguistics"; R.J. DiPietro, "The Discovery of Universals in Multilingualism"; J. Macnamara, "Bilingualism and Thought"; J. A. Fishman, "The Politics of Bilingual Education"; V. John, "Cognitive Development in the Bilingual Child"; D. Hymes, "Bilingual Education: Linguistic vs. Sociolinguistic Bases"; S.U. Philips, "Acquisition of Rules for Appropriate Speech Usage"; E. C. Hughes, "The Linguistic Division of Labor in Industrial and Urban Societies"; R. Roessel, "They Came Here First"; J. J. Gumperz, "Verbal Strategies in Multilingual Communication"; Chester C. Christian, Jr. "The Analysis of Linguistic and Cultural Differences: A Proposed Model"; A. B. Gaarder, "The First Seventy-Six Bilingual Educational Projects"; C. L. O Huallachain, "Bilingual Education Program in Ireland..."; W. F. Mackey, "Interference, Integration, and the Synchronic Fallacy"; W. Lambert, "Some Cognitive Consequences of Following the Curricula of the Early School Grades in a Foreign Language"; G. R. Tucker "An Alternate Days Approach to Bilingual Education"; R. N. Campbell, "English Curricula for Non-English Speakers"; S. Ervin-Tripp, "Structure and Process in Language Acquisition"; C. A. Ferguson, "The Role of Arabic in Ethiopia: A Sociolinguistic Perspective"; R. F. Roeming, "Bilingualism and the National Interest." (FWB)