1. Opera Author/Creator: Athenagoras, active 2nd century Publication/Creation: Wiesbaden : M. Sändig, [1969] Resource Type: Book Access & Availability: Loading
2. Opera omnia Author/Creator: Sedulius, active 5th century Publication/Creation: New York : Johnson Reprint, 1967 Resource Type: Book Access & Availability: Loading
3. Opuscula academica : ad N. T. interpretationem grammatico-historicam et theologiae christianae origines pertinentia; Author/Creator: Keil, Karl August Gottlieb, 1754-1818 Publication/Creation: Lipsiae : Impensis I. A. Barthii, 1821 Resource Type: Book Access & Availability: Loading
4. [Ōrigenous philosophoumena ē kata pasōn aireseōn elenchos] = Origenis philosophumena sive omnium haeresium refutatio : e codice Parisino Author/Creator: Origen Publication/Creation: Oxonii : E Typographeo Academico, 1851 Resource Type: Book Access & Availability: Loading
5. [Ōrigenous ta heuriskomena panta]. = Origenis Opera omnia qua graece vel latine tantum exstant et ejus nomine circumferuntur ex variis editionibus et codicibus manu exaratis, gallicanis, italicis, germanicis et anglicis collecta, recensita atque annotationibus illustrata, cum vita auctoris et multis dissertationibus Author/Creator: Origen Publication/Creation: Berolini : Sumtibus Haude et Spener (S.J. Joseephy), 1831-1848 Resource Type: Book Access & Availability: Loading