Acknowledgments -- List of tables -- List of figures -- 1 Introduction -- 1. The Rusyn people - their present and past -- 2. The Rusyn language - its past and present -- 2.1. The spoken language -- 2.2. The written language -- 3. An overview of the current study -- 2 Recent approaches to morphophonemics -- 1. The roots of morphophonemics -- 2. The generative approach to morphophonemics -- 3. Alternative approaches to morphophonemics -- 3.1. Some problems with the generativist position -- 3.2. Morphophonology according to Linell -- 3.3. Morphophonemics in Bybee's model of morphology -- 3 Two models of language and language change -- 1. The sociolinguistic approach to the study of sound change -- 1.1. Empirical foundations -- 1.2. The observability of sound change -- 1.3. Implementation of change through the linguistic structure -- 1.4. Implementation of linguistic change through the social matrix -- 1.5. Explaining linguistic change -- 2. An analogical model of morphology -- 2.1. Rules vs. representations -- 2.2. The organization of paradigms -- 2.3. Local markedness -- 2.4. A dynamic model of the lexicon -- 2.5. Morphophonemic alternations across paradigms -- 2.6. Productivity -- 4 Two morphophonemic alternation patterns in Rusyn -- 1. The "velar palatalization" in Rusyn -- 2. The "velar palatalization" from a broader perspective -- 2.1. The second palatalization in Slavic - diachrony and synchrony -- 2.2. The semantic context in the masculine nominative plural -- 3. The "dental palatalization" in Rusyn -- 4. The "dental palatalization" from a broader perspective -- 5 The Rusyn study: Data collection and analysis -- 1. The organization of the field work -- 1.1. The population sample -- 1.2. The linguistic questionnaire -- 1.3. Collecting the linguistic data -- 2. The analysis of the data.

2.1. Two approaches to the study of social variation in language -- 2.2. Procedure for the response coincidence analysis -- 6 The "velar palatalization" pattern: A close-up view -- 1. The adult sample -- 1.1. The k-stem real words -- 1.2. The k-stem non-words -- 2. The non-adult sample -- 2.1. The k-stem real and non-words -- 3. Summary -- 7 The "dental palatalization" pattern in the spotlight -- 1. The d-stem words -- 1.1. The adult speakers -- 1.2. The non-adult informants -- 2. The t-stem words -- 2.1. The adult speakers -- 2.2. The non-adult informants -- 3. The z-stem words -- 3.1. The adult speakers -- 3.2. The non-adult informants -- 4. The s-stem words -- 4.1. The adult speakers -- 4.2. The non-adult informants -- 5. The 1-stem words -- 5.1. The adult speakers -- 5.2. The non-adult informants -- 6. The n-stem words -- 6.1. The adult speakers -- 6.2. The non-adult informants -- 7. Discussion of the "dental palatalization" pattern -- 7.1. The adult speakers -- 7.2. The non-adult informants -- 7.3. Comrie's phonetic distance and the single rule hypothesis -- 7.4. Tiersma's "local markedness" hypothesis -- 8. Summary -- 8 Conclusion -- 1. Morphophonemic variability, productivity, and change -- 1.1. Variability -- 1.2. Productivity -- 1.3. Change -- 2. Some implications for the theoretical framework -- 2.1. Bybee's analogy-based model of morphology -- 2.2. Labov's sociolinguistic approach to the study of language change -- Appendices -- A Distribution of adult subjects within the social structure -- B k-stem masculine nouns -- C Dental-stem masculine nouns -- D The "velar palatalization" pattern: Dendrograms -- E Adult subject groups for the "dental palatalization" pattern -- F Non-adult subject groups for the "dental palatalization" pattern -- Abstract -- Notes -- References -- Name index -- Subject index.