Introduction -- 1.0. Overview -- 1.1. Productivity and blocking -- 1.2. Possible words versus acceptable words -- 1.3. Inflection and derivation -- Redundancy in the lexicon -- 2.0. Introduction -- 2.1. Simplicity and redundancy -- 2.2. The morpheme-based model -- 2.3. Idiosyncratic properties of words -- 2.4. The word-based model -- 2.5. Remarks on lexical representations -- Patterns in the rule system -- 3.0. Introduction -- 3.1. Cumulative-pattern formation -- 3.2. Subset matching in the lexicon -- 3.3. Subset rules: subset matching applied to the rule system -- 3.4. Subrules: subsets with variable substitution -- Paradigms and related patterns -- 4.0. Introduction -- 4.1. Paradigms as patterns with more than two elements -- 4.2. Passamaquoddy possessed forms -- 4.3. Prefix+root+ion nouns -- Alternations in phonological form -- 5.0. Introduction -- 5.1. Morphological and phonological alternations -- 5.2. Alternations with multiple contexts -- 5.3. Paradigm levelling -- 5.4. Alternations and derived environments -- 5.5. Allomorphy and cyclicity -- Against level-ordering and lexical phonology -- 6.0. Introduction -- 6.1. The historical perspective -- 6.2. #abil+ity -- 6.3. Bracketing paradoxes and blends -- 6.4. Lexical phonological phenomena -- Summary -- 7.1. Restrictiveness of theories -- 7.2. On rejecting the morpheme -- 7.3. Overview -- Notes -- References -- Index.