Harris-Northall, Ray Weakening processes in the history of Spanish consonants / Ray Harris-Northall - London : Routledge, 1990 - viii, 162 p. ; 23 cm. - Croom Helm romance linguistics series . Revision of thesis (Ph. D.) --University of Birmingham, 1985 Includes bibliographical references and index ISBN: 0415007429 : ? 35.00 Subjects--Topical Terms: Spanish language--Consonants--HistorySpanish language--History--PhonologySpanish language--History Dewey Class. No.: 461.1