There has been data ("Scripta philologica: in honorem Juan M. Lope Blanch: a los 40 aڵnos de docencia en la UNAM y a los 65 aڵnos de vida") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sat Nov 9 12:39:24 2019, so the data displayed here has been removed .