| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| astrakhan, pelt and fabric to Augusta, city, Italy |
| |
| astrakhan, pelt and fabric |
| astringent |
| astrobiology |
| astrobleme |
| astrolabe |
| astrology |
| astrometry |
| astronaut |
| astronautics |
| astronomical coordinate systems |
| Astronomical Ephemeris |
| astronomical unit |
| astronomy |
| astrophysics |
| Asturias, Miguel Ángel |
| Asturias |
| Astyages |
| Astyanax |
| Asunción |
| Aswan |
| asylum |
| asymmetric carbon atom |
| Asyut |
| At |
| Atacama Desert |
| Atad |
| Atahualpa |
| Atalanta |
| Atami |
| Atarah |
| Atargatis |
| Ataroth |
| Atascadero |
| Atatürk, Kemal |
| Ataulf |
| atavism |
| ataxia |
| Atbara |
| Atbarah |
| Atchafalaya |
| Atchison, David Rice |
| Atchison |
| Ate |
| Ater |
| Atget, Eugène |
| Athabasca |
| Athabasca, Lake |
| Athabasca, Mount |
| Athabascan |
| Athabasca Pass |
| Athach |
| Athaliah |
| Athamas |
| Athanagild |
| Athanaric |
| Athanasian Creed |
| Athanasius, Saint |
| Athapascan |
| Atharva-Veda |
| atheism |
| Athelney, Isle of |
| Athelstan |
| Athena |
| Athenaeus |
| Athenodorus |
| Athens, city, Greece |
| Athens, cities, United States |
| atherosclerosis |
| Atherton, Gertrude Franklin (Horn) |
| athlete’s foot |
| athlete’s heart |
| Athlone, Godart van Ginkel, 1st earl of |
| Athlone |
| Athol |
| Atholl |
| Athor |
| Athos |
| Atitlán |
| Atkins, Chet |
| Atkinson, Brooks |
| Atkinson, Henry |
| Atlanta |
| Atlanta campaign |
| Atlanta University Center |
| atlantes |
| Atlantic cable |
| Atlantic Charter |
| Atlantic City |
| Atlantic Ocean |
| Atlantic Provinces |
| Atlantis |
| Atlas, in Greek mythology |
| Atlas, in astronomy |
| atlas, in geography |
| Atlas Mountains |
| atlatl |
| Atli |
| Atlin Lake |
| atmometer |
| atmosphere |
| atoll |
| atom |
| atomic bomb |
| atomic clock |
| atomic energy |
| Atomic Energy Agency, International |
| Atomic Energy Commission |
| atomic force microscope |
| atomic mass |
| atomic mass unit |
| atomic number |
| atomic weight |
| atomism |
| atom smasher |
| atonality |
| atonement |
| Atonement, Day of |
| ATP |
| Atrato |
| Atreus |
| atrium |
| Atropatene |
| atrophy |
| atropine |
| Atropos |
| Atsina |
| Atsugi |
| Attai |
| Attaleia |
| Attar, Farid ad-Din |
| attar of roses |
| Attawapiskat |
| attention deficit hyperactivity disorder |
| Attica |
| Atticus Herodes |
| Attila |
| Attis |
| Attleboro |
| Attlee, Clement Richard Attlee, 1st Earl |
| attorney |
| Attu |
| Atuona |
| Atwater, Wilbur Olin |
| Atwater |
| Atwood, Margaret Eleanor |
| Atyrau |
| Atys |
| Au |
| Aub, Max |
| Aube |
| Auber, Daniel-François-Esprit |
| Auberjonois, René Victor |
| Aubert de Gaspé, Philippe |
| Aubervilliers |
| Aubigné, Jean Henri Merle d’ |
| Aubigné, Théodore Agrippa d’ |
| Aubrey, John |
| Aubry de Montdidier |
| Auburn |
| Auburn University |
| Aubusson, Pierre d’ |
| Aubusson |
| Auch |
| Auchincloss, Louis |
| Auchinleck, Sir Claude John Eyre |
| Auchmuty, Sir Samuel |
| Auckland |
| Auckland Islands |
| auction bridge |
| Aude |
| Auden, W. H. |
| Audenarde |
| audiencia |
| audio frequency |
| audiovisual education |
| auditing |
| Audley of Walden, Thomas Audley, Baron |
| Audubon, John James |
| Audubon |
| Audubon Society, National |
| Aue, Hartmann von |
| Auenbrugger, Leopold |
| Auer, Leopold |
| Auerbach, Berthold |
| Auerbach, Red |
| Auerstedt |
| Augeas |
| auger |
| Augereau, Pierre François Charles |
| Aughrim |
| Augier, Émile |
| Augsburg |
| Augsburg, League of |
| Augsburg, Peace of |
| Augsburg Confession |
| Augsburg Interim |
| Augur, Hezekiah |
| augur |
| August |
| Augusta, city, Italy |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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