Preface -- List of Conference Participants -- Perceptual and conceptual factors in abductive innovations -- Historical change and rule ordering in phonology -- The acceptance of sound change by linguistic structure -- A formal approach to the theory of fortition-lenition: a preliminary study -- Some considerations on voicing with special reference to spirants in English and Dutch: a diachronic-contrastive approach -- Child language and language change: a conjecture and some refutations -- How much does performance contribute to phonological change? -- The inter-relationship between phonological and grammatical change -- Secondary split, typology and universals -- Constraints on schwa-deletion in American English -- Phonological models and Slavic palatalizations -- Restructuring, relexicalization, and reversion in historical phonology -- "Diagonal" vowel harmony?: Some implications for historical phonology -- I.-E. palatovelars before resonants in Balto-Slavic -- Mapping constraints in phonological reconstruction: on climbing down trees without falling out of them -- Notes on the history of accent in Japanese -- Irregular sound change due to frequency in German -- Phonostylistics and sound change -- Perseverance in the English vowel shift -- The origin of the Germanic dental preterit: Von Friesen revisited -- The simplification of the unstressed vowel systems in Old High German -- Rule inversion and lexical storage: the case of Sanskrit visarga -- Is sound change teleological? -- The distribution of short and long vowels in stems of the type Lith. ësti: vèsti: mèsti and OCS fasti: vesti: mesti in Baltic and Slavic languages -- Comment on W. Winter's paper -- Index of names.