New Schaff-Herzog Encyclopedia of Religious Knowledge [Dictionary edition]

Showing 246 terms beginning with O.

• Oak, sacred
• Oates, Titus
• Oath
• Obadiah
• Obbenites
• Obedience
• Ober-Ammergau
• Oberlin, Jean F.
• Oberlin College
• Obi superstition
• Oblate di Tor de' Specchi
• Oblates
• Oblations
• Obligation
• Obodas II.
• Obookaiah, Henry
• Oboth
• Obotrite Wends
• O'Bryan, William
• Observantine Franciscans
• Observantists
• Occam, William of
• Occasional address
• Occasionalism
• Occom, Samson
• Occult phenomena
• Occultism
• Occultus
• Occum, Samson
• Oceania, missions in
• Ochino, Bernardino
• Ockham. See
• O'Connor, Jan A.
• Octave
• Octavian. See
• Oda of Canterbury
• Odd Order Brethren
• Oddo Colonna
• Odenatus
• Odes of Solomon
• Odescalchi, Benedetto
• Odilo of Cluny
• Odin
• Odland, Sigurd V.
• Odo (of Canterbury)
• Odoric of Pordenone
• Œcolampadius, Johannes
• Œconomus, Constantinus
• Œcumenical councils
• Œcumenius
• Oeder, Georg L.
• Oedmann, Samuel
• Oehler, Gustav F. von
• Oesterley, William O. E.
• Oetinger, Friedrich C.
• Oettli, Samuel
• Offa
• Offering, burnt
• Offerings. See also
• Offertory
• Offices of Christ
• Official
• Og
• Ogdoads
• O'Gorman, Thomas
• O'Hara, Henry S.
• Ohio, Joint Synod of Lutheran
• Oil
• O'Kelly, James
• Olaf Haraldson
• Old Catholic Church of Holland
• Oldcastle, Sir John
• Oldenbarneveldt
• Oldenburg
• Oldratus, Johannes
• Olearius, Adam
• Olevianus (Olevian), Kaspar
• Olga, Saint
• Olier, Jean J.
• Olimpia, Donna
• Olin, Stephen
• Olive oil
• Olivers, Thomas
• Olives, Mount of
• Olivet
• Olivetan, Pierre R.
• Olivetus, Lupus
• Olivi, Pierre J.
• Olivier, Pierre R.
• Olivieri, D. F.
• Olivists
• Olmsted, Charles S.
• Olney hymns
• Olsen, Isaac
• Olshausen, Hermann
• Olsson, Olaf
• Oltramare, Marc J. H.
• Olympius of Ravenna
• Omaha Theological Seminary
• Omar (caliph)
• O'Meara, Thomas R.
• Omer
• Ometecutli
• Omniscience and freedom
• Omophorion
• Omri
• On
• Oncken, Johann G.
• Onderdonk, Henry U.
• Ondereick, Theodor
• Oneida community
• O'Neill, S. W.
• Onias III. (IV.)
• Onions
• Onkelos
• Ono
• Ontological argument
• Onyx
• Oort, Henricus
• Oosterzee, Jan J. van
• Opfer, Joachim
• Opheilē, opheilēma
• Ophians

• Ophir
• Ophites
• Ophra (Ophrah)
• Oppert, Jules
• Optatus
• Optimism
• Option
• Opus Operantis
• Opus Operatum
• Opzoomer, Cornelis W.
• Oracles
• Oral law, Hebrew
• Orange Free State, Dutch Reformed Church in
• Orange Free State, River Colony
• Orarium
• Oratorians
• Oratorio
• Oratorium divini amoris
• Oratory
• Orbelian, Stephen
• Orchards
• Ordeal
• Order of Christ
• Ordericus Vitalis
• Orders, Anglican
• Ordiex, S. P.
• Ordinal
• Ordinances
• Ordinary
• Ordination
• Ording, Johannes
• Ordo fontis Ebraldi
• Ordre du Saint Esprit
• Oreglia di Santo Stefano L.
• Orelli, Hans C. von
• Organ
• Organization, ecclesiastical
• Oriental monasticism
• Orientius
• Origen
• Origenistic Controversies
• Origin of Christian baptism
• Original Antiburghers
• Orion
• Orléans, Synods of
• Orme, William
• Ormuzd
• Ornaments
• Ornithopolis
• Orontes
• Orosius, Paulus
• Orpah
• Orpen, R. D'Audemer
• Orphanages
• Orpheus
• Orr, James
• Orsini, G. G.
• Orsini-Gravina, Pietro F.
• Orthodox Catholic Church
• Orthodoxy
• Orthography, Hebrew
• Ortlibians
• Ortlieb of Strasburg
• Orton, Job
• Osborne, Edward W.
• Osgood, Howard
• Oshaya, rabbi
• Osiander, Andreas
• Osiandrian Controversy
• Osiris
• Osmer, saint
• Osmund (Osmond), Saint
• Osnabrueck, Bishopric of
• Ossat, Arnaud d'
• Ossuarium
• Osterwald, Jean F.
• Ostiarius
• Ostorodt, Christoph
• Ostrogoths
• Osuna, Francisco de
• Oswald, Saint
• Oswin
• Oswy
• Otfrid of Weissenburg
• Othman
• Othniel
• Otho. See
• Otho, Anton
• Otmar, abbot
• O'Toole, Laurence, Saint
• Otte, Christoph H.
• Otter, Jakob
• Otterbein, Philip W.
• Ottley, Edward B.
• Otto II., duke
• Otto I., emperor
• Otto IV., emperor
• Otto of Bamberg
• Otto, Johann K. T. von
• Ottoboni, Pietro
• Ottocar of Bohemia
• Ottow, C. W.
• Ouateblé, François
• Oudin, Remi-Casimir
• Ouen, Saint
• Our Lady of Loreto
• Ousia
• Outdoor relief
• Oven
• Ovenden, Charles T.
• Overbeck, Friedrich
• Overberg, Bernhard H.
• Overton, John H.
• Owen, John
• Ownership, private
• Owtred, John
• Ox
• Oxenden, Ashton
• Oxenham, Henry N.
• Oxenstierna, Axel
• Oxford
• Oxyrhyncus logia
• Ozanam, Antoine F.