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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.
On this page: Rathke, Martin H(einrich) to real number.
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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
R:  < Previous  4  5  6  7  8  9  10  11  12  13  Next > 

ratio (in mathematics)
rational psychology (Philosophy)
rationalism (in philosophy)
rationing (in economics, government)
ratite (bird)
Rattigan, Sir Terence (Mervyn) (English dramatist)
rattlesnake (reptile)
Ratzenhofer, Gustav (Anthropology)
Rauschenberg, Robert (American artist)
Ravana (Hindu mythology)
Ravel, (Joseph-) Maurice (French composer)
raven (bird)
Ravenna (city, Italy)
Rawalpindi (city, Pakistan)
Rawlings, Jerry J(ohn) (Ghanaian politician)
Rawlings, Marjorie Kinnan (American writer)
Rawls, John (American philosopher & political scientist)
ray (in physics)
Ray, James Earl (Assassin)
Ray, John (English biologist)
Ray, Nicholas (Filmmaker)
Ray, Satyajit (Indian filmmaker)
Rayburn, Sam(uel) (Taliaferro) (American statesman/stateswoman)
Rayleigh scattering (scattering of electromagnetic radiation)
Raymond IV (count of Toulouse)
Raymond VI (count of Toulouse)
Raymond VII (count of Toulouse)
Raymond, Antonin (Architecture)
Rayonism (style of abstract painting)
Razi, al- (Persian physician)
Razin, Stenka (Russian politician)
RCA Corp. (Business and Economics)
Re (chemical symbol)
reaction, heat of (Chemistry)
Reade, Charles (English novelist & dramatist)
Reading (city, England)
Reagan, Ronald W(ilson) (U.S. President / Actor)