These two volume present papers from the Fourth International Conference on the History of the Language Sciences (ICHoLS IV), held at the University of Trier, Germany, in August 1987. Volume 1 contains the following sections: I. Generalia; II. Antiquity; III. Arabic Linguistics; IV. Middle Ages; V. Renaissance; VI. 17th Century. Volume 2 continues with: VII. 18th Century; VIII. 19th Century; IX. 20th Century; and provides Author and Subject Indexes.
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