THE author and publisher are grateful to the following for permission to make use of previously published copyright material by the author of the present volume:
Pergamon Journals Ltd. for "'Variation Theory and So-called Sociolinguistic Grammars'"(used for Ch. 2), reprinted with changes by permission from Language & Communication, 7 ( 1987), 269-91; for 'Theory, Description, and Differences among Linguists, or: What Keeps Linguistics from Becoming a Science' (used with shortened title for Ch. 3), reprinted with changes by permission from Language & Communication, 1 ( 1981), 39-66; and for 'A Note on Greek ξ' (used for Ch. 9), reproduced with permission from appendix C, pp. 37-9, of 'Toward Principles Governing the Progress and Patterning of Phonetological Development', reprinted with changes by permission from C.-J. N. Bailey and R. Harris (eds.), Developmental Mechanisms of Language ( 1985).
Franz Steiner Verlag Wiesbaden GmbH, for 'Conceptualizing Dialects as Implicational Constellations rather than as Entities Bounded by Isoglossic Bundles' (used for Ch. 4), from J. Göschel, P. Ivić, and K. Kehr (eds.), Dialekt und Dialektology ( 1980), 234-72.
Automatic permission from Skriptor Verlag and Gunter Narr Verlag is acknowledged for 'Markedness-Reversal and the Pragmatic Principle of "Reading between the Lines in the Presence of Marked Usages'" (used for Ch. 5), from Papiere zur Linguistik, 31 ( 1984), 43-100.
Walter de Gruyter & Co., for "'Old and New Views on Language History and Language Relationships'" (used for Ch. 7), from Kommunikationstheoretische Grundiage des Sprachwandels, ed. H. Lüdtke ( 1980), 139-81; and for "'Two True/False Principles of Language Change'" (used for Ch. 8), from Indogermanische Forschungen, 94 ( 1989), 1-4.
Verlag R. Kitzinger, for 'A Note on Reconstructing Language Development' (used for Ch. 8), from Münchener Studien zur Sprachwissenschaft, 48 ( 1987), 5-14.
Orchid Land Publications for permission to use a table and several examples from writings by the author published by them.