Greek New Testamentbased on the text of the Novum Testamentum Graece (ed. Nestle-Aland), 28th edition
Further editions of the Bible(Septuaginta, Vulgata, Biblia Hebarica)
Bible with the text of the German standard translation
Das wissenschaftliche Bibellexikon im Internet(WiBiLex)
Katholisches Bibelwerk e.V.
Index Theologicus- International Bibliography for Theology and Religious Studies