| B cell ... Babenberg, House of |
| Babenco, Hector ... Bach, Wilhelm Friedemann |
| Bacharach, Burt ... Baculites |
| baculum ... Badminton: Year in Review 2005 |
| Badminton: Year in Review 2006 ... Baghmati River |
| Bagirmi ... Baharampur |
| Bahawalnagar ... Bai Juyi |
| Baia Mare ... Baird, Bil and Cora |
| Baird, John Logie ... Bakewell glass |
| Bakewell, Robert ... Balas, Iolanda |
| Balasaraswati, T. ... Baldwin, James Mark |
| Baldwin, Matthias William ... Ball, John |
| Ball, Lucille ... balloon fly |
| balloon framing ... Baltimore Sun, The |
| Baltimore, Charles Calvert, 3rd Baron ... banana |
| Bananal Island ... Bandirma |
| Bando Tamasaburo V ... Bangladesh: Year in Review 2013 |
| Bangladesh ... Banks, Tyra |
| Bankside ... Baptist Missionary Association of America |
| Baptist Union of Great Britain ... Barat, Saint Madeleine-Sophie |
| Barataria Bay ... Barberi, Domenico, Blessed |
| Barberini Family ... Bardo, Treaty of |
| Bardossy, Laszlo ... Barkis, Mr. |
| Barkla, Charles Glover ... Barnes, Thomas |
| Barnes, William ... Barrande, Joachim |
| Barranquilla ... Barry, Jeanne Becu, comtesse du |
| Barry, John ... Bartmannkrug |
| Bartok String Quartet ... Baseball: Year in Review 1994 |
| Baseball: Year in Review 1995 ... Basidiomycota |
| basidium ... Basketball: Year in Review 2009 |
| Basketball: Year in Review 2010 ... Bassi, Agostino |
| Bassi, Laura ... Bate, W. Jackson |
| bateleur ... bathysphere |
| bathythermograph ... Baty, Gaston |
| Batyushkov, Konstantin Nikolayevich ... Baxter, James K. |
| Baxter, Richard ... Bayonne |
| Bayonne ... Beal's conjecture |
| Beals, Jessie Tarbox ... Beatrijs |
| Beatrix ... Beaux' Stratagem, The |
| Beaux, Cecilia ... Beckham, Victoria |
| Beckley ... Bedzin |
| bee ... Behar, Yves |
| behavioral science ... Bektashi |
| Bel and the Dragon ... Belfast |
| Belfast ... Beliveau, Jean |
| Belize: Year in Review 1994 ... Bell, Gertrude |
| Bell, Henry ... belligerency |
| Bellingham ... belt drive |
| Belt Series ... bench |
| Bench, Johnny ... Benedictsson, Victoria |
| Benedictus ... Benin: Year in Review 2001 |
| Benin: Year in Review 2002 ... Bennington |
| Bennington ... benzene |
| benzene hexachloride ... Berenice III |
| Berenice IV ... Bergonzi, Carlo |
| bergschrund ... Berlin West Africa Conference |
| Berlin woolwork ... Bernbach, William |
| Bernburg ... Berry, Wendell |
| Berryer, Pierre-Antoine ... Besos River |
| bess beetle ... Bethlehem Steel Corporation |
| Bethlehem, Star of ... Beyer-Garratt |
| Beyers, C.F. ... Bhattarai, Baburam |
| Bhatti ... Bhutan: Year in Review 2012 |
| Bhutan: Year in Review 2013 ... Bickerdyke, Mary Ann |
| Bickerstaffe, Isaac ... Big Book Prize |
| Big Boy ... Bikila, Abebe |
| Bikini ... Billroth, Theodor |
| Billung dynasty ... Biobio |
| Biobio River ... bionics |
| biophilia hypothesis ... BirdLife International |
| Birdman of Alcatraz ... Bisaya |
| Bisbee ... Bistrita |
| Bistrita-Nasaud ... Black and Tan |
| Black Arts movement ... Black Range |
| black rhinoceros ... Blackburn, Joseph |
| Blackburn, Thomas ... Blaik, Red |
| Blaine, James G. ... Blanes, Juan Manuel |
| blank verse ... Blenkinsop, John |
| blenny ... Bloch, Joseph Samuel |
| Bloch, Konrad E. ... bloodhound |
| bloodroot ... blue crab |
| Blue Dahlia, The ... Blume, Judy |
| Blumenau ... bobsledding |
| Bobsledding and Luge: Year in Review 1999 ... bodhi |
| Bodhidharma ... Bogarde, Sir Dirk |
| Bogardus, James ... Boie, Heinrich Christian |
| Boieldieu, Francois-Adrien ... Boleslaw II |
| Boleslaw III ... Bolognese school |
| bolometer ... Bonanza |
| Bonanza Creek ... bonefish |
| Boner, Ulrich ... Bonneville, Benjamin-Louis-Eulalie de |
| Bonneville, Lake ... Boole, George |
| Boolean algebra ... Bordaberry Arocena, Juan Maria |
| Bordeaux ... boric acid |
| boride ... Borujerd |
| boryokudan ... Boso |
| Boso Peninsula ... Botero, Fernando |
| Boteti River ... bottlenose dolphin |
| bottlenose whale ... boules |
| boulevard ... Bourgain, Jean |
| Bourgault-Ducoudray, Louis ... bow and arrow |
| Bow porcelain ... Bowling Green |
| Bowling Green ... Boyaca, Battle of |
| boyar ... bracken |
| Brackenridge, Hugh Henry ... Brady, James Buchanan |
| Brady, Mathew B. ... Braille, Louis |
| brain ... Brandes, Georg |
| Brando, Marlon, Jr. ... Bratianu, Constantin |
| Bratianu, Ion ... Brazil: Year in Review 2010 |
| Brazil: Year in Review 2011 ... Breckinridge, Mary |
| Breckinridge, Sophonisba Preston ... Brentano, Franz |
| Brentano, Heinrich von ... Brezhnev, Leonid Ilich |
| Brezina, Otakar ... Bridgewater, Francis Egerton, 3rd Duke of, Marquess Of Brackley, Earl of Bridgewater, Viscount Brackley, Baron Of Ellesmere |
| Bridgman, Laura Dewey ... Brink, Bernhard ten |
| Brinker, Hans ... British army |
| British blues ... Broadland |
| Broads, the ... broken rhyme |
| broken-backed line ... Brookfield Zoo |
| Brookings ... Broudy, Harry S. |
| brougham ... Brown, Jacob Jennings |
| Brown, James ... Brownlow, William G. |
| Brownson, Orestes Augustus ... Brun, Rudolf |
| Brundage, Avery ... Brunswick, Ruth Jane Mack |
| Brunton, Sir Thomas Lauder, 1st Baronet ... Brygos Painter |
| Bryher ... Bucharest, Treaty of |
| Bucharest, Treaty of ... Budaun |
| Buddenbrooks ... bufflehead |
| Buffon, Georges-Louis Leclerc, count de ... Bulaq |
| Bulawayo ... bulk modulus |
| Bulkeley, Richard ... Bumastus |
| Bumble, Mr. ... buoy |
| bur cucumber ... burglary |
| burgomaster ... Burkitt lymphoma |
| Burkitt, Denis Parsons ... Burns, George |
| Burns, John Elliot ... Burundi: Year in Review 1999 |
| Burundi: Year in Review 2000 ... bushbuck |
| Bushehr ... Busum |
| buta ... Butterfield, William |
| butterfish ... Buzzell, Edward |
| By, John ... |
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