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Columbia Encyclopedia

Columbia Electronic Encyclopedia, published by Columbia University Press
The Columbia Electronic Encyclopedia contains entries on people, places, events, historical facts and terms, with bibliographies for further reading.
On this page: oxygen to Østfold.
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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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oxygen (element)
oxygen tent (mechanical device)
oxytocin (in anatomy)
Oyo (city, Nigeria)
oyster (bivalve)
Oyster Bay (city, New York)
Ozark (city, Alabama)
Ozark National Scenic Riverways (body of water, Missouri)
Ozarks, Lake of the (lake, Missouri)
Ozarks, the (region, Missouri/Arkansas/Oklahoma/Kansas)
Ózd (city, Hungary)
ozone (element)
ozone layer (in environmentalism)
Øresund (body of water, Sweden/Denmark)
Østfold (county, Norway)