This paper addresses the high demand for digital versions of the Biblia de Estudio Thompson (Thompson Chain-Reference Bible) in Spanish, specifically searches for free PDF versions that include integrated biblical dictionaries. It examines the historical significance of the Thompson reference system, the technical nature of the "diccionario bíblico" included within this specific study Bible, and the legal and practical implications of downloading copyrighted material for free. Finally, it provides ethical alternatives for accessing these resources digitally.