Britannica Concise Encyclopedia

Britannica Concise Encyclopedia, published by Encyclopædia Britannica, Inc.
The Britannica Concise Encyclopedia, a condensed version of the Encyclopædia Britannica, offers short, concise, easy-to-read entries on everything from art and zoology to current events and history. Includes statistics, charts, maps and flags.
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Title Index: 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 0-9
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original sin (in Christianity)
Orinoco River (Latin America)
oriole (bird)
Orion (in astronomy)
Orion Nebula (in astronomy)
Orissa (state, India)
Orkney Islands (former region, island group, Scotland)
Orlando (city, Florida)
Orlando, Vittorio Emanuele (Italian statesman & jurist)
Orléans (Europe)
Orléans, house of (Modern Europe)
Orléans, Louis-Philippe-Joseph, duke d' (French politician & military leader)
Ormandy, Eugene (American conductor)
ormolu (in metallurgy)
ornamentation (architecture)
Oromo (people, Ethiopia/Kenya)
Orontes River (river, Lebanon)
Orozco, José Clemente (Mexican painter & graphic artist)
Orpheus (in Greek Mythology)
Orphism (movement)
Orr, Bobby (Canadian hockey player)
Ortega (Saavedra), (José) Daniel (Political Leader / President of Nicaragua)
Ortega y Gasset, José (Spanish writer & philosopher)
Orthodox Judaism (branch of Judaism)
orthopedics (branch of medicine)
Orton, Joe (English dramatist)
oryx (mammal)
Osage (indigenous people of North America)
Osage River (river, United States)
Osaka (city, Japan)
Osborne, John (James) (English dramatist)
Osceola (American chief)
oscillator (electronics)
Oshogbo (city, Nigeria)
Osiris (ancient religion, ancient Egypt)
Osler, Sir William (Canadian physician)
Oslo (city, Norway)