El diccionario etimológico castellano e hispánico de Corominas /Pascual veinte años después

Known vulgarly like the Corominas, it is at the present time the etymological dictionary of the Spanish. On this dictionary it has been written much from a philologic point of view, it see as a small example the bibliography that accompanies this review; in this occasion, nevertheless, we try to give some instructionses on its daily use nonspecialistic and thus to offer a useful approach from a point of view librarian