# The New International Encyclopædia/Volume XV Ona - Pickering

See also the scan index; and the disclaimer.
| | Volume XV | Volume XV | |
| O | Pa | Pe | Pf - Pi |
| Key to pronunciation Onkelos Ordinance Ordinance of 1787 Oregon Oregon (Illinois) Oregon, University of Oregon Brook-Trout Oregon City Oregon Question Oregon River Oregon Robin Oregon Snowbird Oregon Sturgeon Oregon Trail, The O'Reilly, Count Alexander Orinoco Oriole Orion Orthopoda Orthoptera Ortigueira Ortler Ortolan Orton, Edward Orton, James Ostend Manifesto Ottendorfer, Oswald Oven-bird Overbeck, Johannes Adolf Overbeck, Johann Friedrich Owen, Robert Owen, Robert Dale Owensboro Owens College Owens Lake Owen Sound Owens River Owl Owlet-moth Oxenstierna, Axel Oxytocics Oxyuris Oyer Oyer and Terminer Oyez Oyo Oyster Oyster Bay | Palacky, Frantisek Paladilhe, Emile Paladin Palæarctic Region Palæaster Palæmon, Quintus Remmius Palæobotany Palæocreusia Palæohatteria Palæologus Palæoniscus Palæospondylus Palæotherium Palæphatus Palafox y Melzi, José de Palaihnihan Palais Bourbon Palais De Justice Palfrey, Francis Winthrop Paraná Paraná (State) Parker, Alton Brooks Parker, Edward Harper Parker, Foxhall Alexander Parker, Francis Wayland Parker, (Horatio) Gilbert Parker, Horatio William Parker, Hyde Parker, Joel (jurist) Parker, Joel (politician) Parker, Joseph Parker, Louis Napoleon Parker, Matthew Parker, Peter (officer) Parker, Peter (missionary) Parker, Theodore Parker, Thomas Jeffery Parker, Willard Parker, William Parker, William Kitchen Parliament, Houses of Parliamentary Law Parliament of Dunces, The Parliament of Fowls, The Parloa, Maria Parris, Samuel Passion-flower Passionists Passion Play Passover Passow, Franz Passport Pastor Pastor, Ludwig Pastoral Epistles Pastoral Poetry Pastoral Staff Pastoral Symphony, The Pastorels Pastor Fido Pastorius, Francis Daniel Pasturage Pasture Patron Patronage, Ecclesiastical Patton, Francis Landey Patuxent Pátzcuaro Patzum Pau Pauer, Ernst Paul (apostle) Paul (popes) Paul I., Petrovitch Paul, Apocalypse of Paul, Charles Kegan Paul, Hermann Paul, Lewis Paul, Oskar Paul, Vincent de Paul, Vision of Paul and Virginia Paul Clifford Paulding, Hiram Paulding, James Kirke | Peabody, Cecil Hobart Peabody, Elizabeth Palmer Peabody, Ephraim Pearl (poem) Pearl Ash Pearl Harbor Pearlite Pearl Millet Pearl Oyster Pearl River Peasant War Peck, Harry Thurston Pegu (division) Pegu (capital) Penjamo Penjdeh Penn, John (1729-95) Penn, John (1741-88) Penn, Richard Penn, Thomas Penn, Sir William Penn, William Pennacook Pennamite-Yankee War Pennant Pennant, Thomas Pennant's Marten Pennant-winged Nightjar Penn College Pennell, Joseph Penni, Gianfrancesco Pennine Alps Pennine Chain Pennsylvania Pennsylvania, Historical Society of Pennsylvania, University of Pennsylvania, Western University of Pennsylvania College for Women Pennsylvania Dutch Pennsylvania-German Society, The Pennsylvania State College Penny Pentateuch People's Party Peoria (tribe) Peoria (city) Perfectionists Perimeter Perinæum Period Periodical Periodic Function Perkins, Frederic Beecher Perkins, George Henry Petri, Olaus Petrie, William Matthew Flinders Petrifaction Petrified Forests Petrobrusians Petrified Wood Petrographic Province Petrography Petrolatum Petrolea Petroleum Petunia Peucer, Kaspar Peuerbach, Georg von Peutinger, Konrad Peutingerian Table | Pfeiffer, Franz Pfeiffer, Ida Pfeil, Joachim Friedrich Pfeufer, Karl von Pfister, Albrecht Pfizer, Gustav Pfleiderer, Otto Pflüger, Eduard Friedrich Wilhelm Pflugk-Harttung, Julius von Pforzheim Pfuhl, Johannes Pharisees Pherecrates Phila Philadelphia (Asia Minor) Philadelphia Philadelphia Academy of Natural Sciences Philadelphus Philæ Philander Philemon (poet) Philippics Philippine Islands Philippine Languages Philippons Phlegyas Phloem Phlogiston Phlogopite Phlox Phocæa Phocais Phocas Phocas, Column of Phocion Phocis Phocylides Phoebe Phœnician Language Phœnissæ Phœnix (bird) Phœnix (Alabama) Phœnix (Arizona) Phrynichus |