 Other three volumes are still in progress and researchers from the Group of History of the Language at the University of Girona, as August Rafanell, Narcís Iglésias, Joan Ferrer Costa or Francesc Feliu, have been incorporated to the project.Josep M. Nadal has contributed decisively to characterize History of Language as independent linguistic discipline.Along with his research group from Girona, he has aimed to research in the history of languages from an interdisciplinary perspective, incorporating contributions coming from the field of literature, social history or other apparently further disciplines like sociology, psychology or philosophy of the language.