Words / 1907 Nuttall Encyclopædia of General Knowledge / O
a b c d e f g h i j k l m n o p q r s t u v w x y z
o
- Oakham
- Oakland
- Oaks, The
- Oakum
- Oases
- Oates, Titus
- Obadiah
- Oban
- Obeid
- Obelisk
- Ober-Ammergau
- Oberlin, Jean Friedrich
- Oberon
- Obi
- Objective
- Oblates
- Oboe
- Obelus
- O'Brien, William
- O'Brien, William Smith
- Obscurantist
- Obsidian
- Occam
- Occasionalism
- Oceania
- Oceania
- Oceanides
- Oceanus
- Ochils
- Ochiltree, Edie
- Ochino, Bernardino
- Ochterlony, Sir David
- Ockley, Simon
- O'Connell, Daniel
- Octavia
- October
- Od
- Oddfellows
- Oder
- Odessa
- Odin
- Odo
- Odoacer
- O'Donnell, Leopold
- Odyssey
- Œcolampadius, Joannes
- Œdipus
- Œhlenschläger, Adam Gottlob
- Oehler, Gustav
- Œil-de-bœuf
- Œland
- Œnonë
- Oersted, Hans Christian
- Oesel
- Offa's Dyke
- Offenbach, Jacques
- Offertory
- Ofterdingen, Heinrich von
- Ogham
- Oglethorpe, James Edward
- Ogowe`
- O'Groat's House, John
- Ogyges
- Ogygia
- Ohio
- Ohio River
- Ohm, Georg Simon
- Ohnet, Georges
- Oil City
- Oka
- Oken, Lorenz
- Okhotsk, Sea of
- Oklahoma
- Okuma, Count
- Olaf, St.
- Olaüs
- Olbers, Heinrich
- Old Bailey
- Old Catholics
- Old Man of the Mountain
- Old Man of the Sea
- Old Mortality
- Old Noll
- Oldbuck, Jonathan
- Oldbury
- Oldcastle, Sir John
- Oldenburg
- Oldham
- Oldys, William
- Oléron
- Olga, St.
- Olifaunt, Nigel
- Oliphant, Laurence
- Oliphant, Mrs. Margaret
- Olivarez, Count d'
- Oliver
- Olives, Mount of
- Ollivier, Émile
- Olmütz
- Olympia
- Olympiad
- Olympias
- Olympic Games
- Olympus
- Olney
- Om
- Omagh
- Omaha
- Oman
- Omar
- Omar Khayyám
- Omar Pasha
- O'Meara, Barry Edward
- Ommiades
- Omnipresence
- Omphalë
- Omsk
- Onega, Lake
- Onomatopœia
- Ontario
- Ontario, Lake
- Ontology
- Onyx
- Oosterzee, Jan Jakob van
- Opal
- Open Secret, The
- Open, Sesamë
- Opera
- Opera Bouffe
- Ophelia
- Ophicleide
- Ophir
- Ophites
- Opie, John
- Opinicus
- Opitz, Martin von
- Oporto
- Opportunist
- Optimism
- Opus Operatum
- Oran
- Orange River
- Orange River Colony
- Orangemen
- Oratorio
- Oratory, Congregation of the
- Orcagna
- Orchardson, William Quiller
- Orcus
- Ordeal
- Ordericus Vitalis
- Orders in Council
- Oreades
- Oregon
- Orelli, Conrad von
- Orelli, Johann Kaspar von
- Orestes
- Orfila, M. J. Bonaventure
- Organism
- Organon
- Orgies
- Oriflamme
- Origen
- Original Sin
- Orinoco River
- Orion
- Orissa
- Orkney Islands
- Orlando
- Orleans
- Orleans, Dukes of
- Orloff
- Orme, Robert
- Ormolu
- Ormonde, James Butler, Duke of
- Ormuz
- Ormuzd
- Orontes
- Orosius, Paulus
- Orpheus
- Orrery
- Orsini, Felice
- Orsova
- Orviëto
- Oscans
- Oscar I.
- Oscott
- O'Shaughnessy, Arthur
- Osiander, Andreas
- Osiris
- Osmanlis
- Osmose
- Osnabrück
- Ossa
- Ossian
- Ostade, Adrian
- Ostend
- Ostia
- Ostracism
- Ostrogoths
- Oswald, St.
- Oswego
- Oswestry
- Otago
- Othman
- Othman
- Otho
- Otis, James
- Otranto
- Ottawa
- Ottawa River
- Otterburn
- Otto
- Ottomans
- Otway, Thomas
- Oubliette
- Oudenarde
- Oudh
- Oudinot, Duke of Reggio
- Ouida
- Ouse
- Outram, Sir James
- Overbeck, Friedrich
- Overbury, Sir Thomas
- Overland Route
- Overreach, Sir Giles
- Overstone, Baron
- Ovid
- Oviedo
- Owen, John
- Owen, Sir Richard
- Owen, Robert
- Owens College
- Oxenford, John
- Oxenstiern, Axel, Count
- Oxford
- Oxford School
- Oxford University
- Oxfordshire
- Oxus
- Oxygen
- Oyer and Terminer
- Ozone