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The Corpus of Spanish Biblical Texts is a free online resource developed by the Hispanic Seminary of Medieval Studies ( as part of the Digital Library of Old Spanish Texts project, in collaboration with the Biblia Medieval project ( Its main goal is to facilitate the study and dissemination of a unique aspect of the medieval Hispanic language and culture: the translations of the Bible into Castilian undertaken during the Middle Ages.

This new research integrates in a common interface the texts, indices (alphabetic, frequency, reverse alphabetic) and KWIC concordances of 19 biblical translations into medieval Spanish, almost 5 million words, allowing for seamless queries in all of its components.

This corpus will be a significant source of information for historical linguists, lexicographers, and any other researcher interested in the medieval Castilian biblical translations. They will be able to access and search the contents of the texts for a wide variety of research tasks connected with the diachronic developments of medieval Spanish, allowing them to examine the shift, continuities and patterns of variation that occurred over several centuries.

The Corpus of Spanish Biblical Texts can be accessed following this link: