Collection Contents Period andlanguage Access and where to findit Best use Biblia Patristica Printed index of biblical citations and allusions in patristic literature. Mainly early Christian Greek and Latin literature Older printed volumes are in libraries and some scans; the project lives on digitally in BiblIndex. Fastest classic verse-entry tool. BiblIndex Online index of biblical references in early and medieval Christian literature; incorporates the 270,000 entries from the published Biblia Patristica volumes and continues beyond them. Early and medieval Christian literature, East and West Free online. Best free starting point when the entry point is a verse. Clavis Patrum Latinorum Exhaustive list, as far as possible, of Christian Latin texts from Tertullian to Bede, with 2,348 entries and concordances. Up to Bede, Latin Print, and data now searchable free inside Clavis Clavium. Identifying exact works, authenticity, best editions, and standard abbreviations. Clavis Patrum Graecorum Standard numbered guide to Greek patristic texts, their editions, and authenticity; 8 volumes published. Greek patristic and related literature Print, and searchable free inside Clavis Clavium. Essential for identifying Greek works and for catena and fragment work. Clavis Clavium Open-access integrated search across CPL, CPG, BHL, BHG, and apocryphal claves; searchable by title, incipit, desinit, author , saint, and more. Late antique and medieval Christian literature Free online. The most efficient identification tool once you know only part of a title, an incipit, or a fragmentary description. 21 22 23 24 25 5