- B ... Baalim
- Baalot ... Babesia
- Babesia bigemina ... Babycakes
- Babyface ... Bachelor of Arts
- Bachelor of Education ... Back, Sir George
- back-arc basin ... bacterial virus
- bacterial wilt ... Badārī, Al-
- Badarian culture ... Badw
- Badwater Basin ... Baghdadi, Abu Bakr al-
- Baghdadi, Abuʾl-Barakat al- ... Bahāʾī, Shaykh
- Bahia ... Baier, Kurt
- Baiera ... Baillou, Guillaume de
- Bailly, David ... Bajocian Stage
- Bajokwe ... Baker, Theodore
- Baker, Tom ... Balaena glacialis
- Balaena mysticetus ... Balban, Ghiyāth-al-Dīn
- Balbás, Isidoro Vincente ... Baldwin, Alexander Rae III
- Baldwin, Casey ... Baliol, John de
- Baliol, John de ... Ballala III
- Ballance, John ... balloon
- balloon angioplasty ... Balta Liman, Convention of
- Balta, José ... Balzary, Michael
- Balʿamī ... banana republic
- banana spider ... Bandar Sri Aman
- Bandar ʿAbbās ... Banerjea, Surendranath
- Banerjee, Abhijit ... Banier, François-Marie
- Banihal Pass ... Banks, Ernest
- Banks, Ernie ... Bantu Church
- Bantu Education Act ... Bāqikhānl, ʿAbbās Qolī Āghāıq
- Baqqārah ... Barakāt II
- Barakāt, Sīdī ... Barbary shrike
- Barbary States ... Barbosa, Ruy
- Barbot, Clément ... Bardo National Museum
- Bardo Thödol ... Barinas
- Barinas ... barklouse
- Barkly Tableland ... Barnes, Fred
- Barnes, George Nicoll ... Baroque pitch
- baroque theology ... barrel cactus
- barrel distortion ... Barros, Tierra de
- Barroso, José Manuel ... Barthold, Wilhelm
- Bartholdi, Frédéric-Auguste ... bāru
- Barú ... Bascom, William R.
- Bascom, William Russell ... Bashīr, ʿUmar Ḥasan Aḥmad al-
- Bashiru ... basilect
- basileis ... Basodino
- Basoga ... Bassey, Shirley
- Bassi, Agostino ... Batabanó, Gulf of
- Bataceae ... batfish
- Batgirl ... Batjan basin
- Batlle Berres, Luis ... Battle Above the Clouds
- Battle at Lake Changjin, The ... Baty, Gaston
- Baty, Jean-Baptiste-Marie-Gaston ... Baurtregaum
- Bauru ... baya
- Bayajida ... bayonet
- Bayonne ... BCCI
- BCEAO ... Beagle
- Beagle ... Beard, Daniel Carter
- Beard, Frank ... Beaton, James
- Beaton, Sir Cecil ... Beaulieu, Treuille de
- Beaulieu, Victor-Lévy ... Beaver-Erie Canal
- Beaverbrook, Sir Maxwell Aitken ... Beckett, Margaret
- Beckett, Samuel ... Bedfordshire
- Bedi, Kiran ... Beefeater
- Beefeaters, the ... Beggar Maid: Stories of Flo and Rose, The
- Beggar’s Opera, The ... Behind the Log
- Behind the Mask ... Beiping
- Beiqing chengshi ... Belafonte, Harold George
- Belafonte, Harry ... Belgium, Battle of
- Belgium, flag of ... Bell Telephone Laboratories
- bell tower ... Belle Cordière, La
- Belle Dame sans merci, La ... Belloy, Pierre de
- Bells ... Below, Otto von
- Beloye Lake ... Bemis Heights, Battle of
- Bemis module ... Benda, Julien
- Benda, Wladyslaw Theodor ... Benedictus Deus
- Benedictus Grammaticus ... Bengkalis, Pulau
- Bengkulu ... Bennett College
- Bennett Dam ... bent mussel
- Bent Pyramid ... benzopyridine
- benzopyrrole ... Berdychiv
- Berdymukhammedov, Gurbanguly ... Bergen, Candice Patricia
- Bergen, Edgar ... Berk-Yaruq
- Berke ... Berling, Ernst Heinrich
- Berling, Zygmunt ... Bernari, Carlo
- Bernart de Ventadorn ... Berosos
- Berossos ... Bertoia chair
- Bertoia, Arri ... Bessel function
- Bessel’s differential equation ... Bet Yosef
- Beta ... Bethany College
- Bethe’s stopping number ... Better Tomorrow, A
- better-law approach ... Beverly Hillbillies, The
- Beverly Hills ... Bezwada
- Beʾer Shevaʿ ... Bharatiya Janata Party
- Bharatiya Janata Yuva Morcha ... Bhopal
- Bhopal Agency ... bianwen
- bianzhong ... Bibliothèque ancienne et moderne
- Bibliothèque choisie ... Bidlack-Mallarino Treaty
- bidone, Il ... Big Bill Tilden
- Big Bird ... Big Nowhere, The
- Big O, the ... Biggs, Andy
- Biggs, E. Power ... bilateral shock therapy
- bilateral symmetry ... billfish
- billfish ... binary digit
- binary fission ... binocular diplopia
- binocular disparity ... Biografie
- Biograph Company ... bionics
- bionomics ... birch family
- birch fungus ... Birdy
- birefringence ... Birth of Tragedy, The
- Birth of Venus ... Bishop, Elvin
- Bishop, Eric ... bite, animal
- bite, insect ... bizarreness effect
- Bizen ... black birch
- black birch ... Black Flags
- black flood ... Black Marsha
- Black Mass ... Black Repartition
- Black Resistance/White Law: A History of Constitutional Racism in America ... Black Widow
- black widow ... black-shouldered opossum
- black-shouldered possum ... Blackmore, Sir Richard
- Blackmun, Harry A. ... blading
- blady grass ... Blanca de Castilla
- Blanca Peak ... Blasius, Saint
- Blasius, Saint ... Bledsoe, Drew
- Bledsoe, Tempestt ... Blind Bay
- Blind Date ... Blo-bzang chos-kyi-rgyal-mtshan
- bloat ... Blommorna
- Blomstrand, Christian Wilhelm ... blood vascular system
- blood vein ... Blooteling, Abraham
- Blore Heath, battle of ... Blue Danube, The
- blue devil ... blue quail
- Blue Quills First Nations College ... bluebonnet
- bluebottle ... blushing bromeliad
- Blütchen, Ursula ... Board, Peter
- boardercross ... Boca Juniors
- Boca Raton ... Bodin, Jean
- Bodincus ... Boehm, Theobald
- Boehmeria nivea ... bog yellow cress
- Bogalusa ... Bohemian Rhapsody
- Bohemian Rhapsody ... Boisclair, André
- Boise ... Boldogasszony
- Boldrewood, Rolf ... Bolkonsky, Prince Andrey
- boll ... Boltzmann, Ludwig
- Boltzmann, Ludwig Eduard ... Bombycoidea
- Bombyliidae ... Bond of Association
- bond order ... Bones, Mr.
- boneset ... Bonney, Mary Lucinda
- Bonney, Thérèse ... Book of Count Lucanor and Patronio, The
- Book of Courtesy, The ... Book of Verse, A
- Book of Victory, The ... Booth, Ballington
- Booth, Catherine ... Borcherds, Richard Ewen
- Borchert, Wolfgang ... Boren, David
- Borenius, Tancred ... Borlänge
- Borlaug, Norman Ernest ... Borromeo, Federico
- Borromeo, Isole ... Bose, Sarat Chandra
- Bose, Satyendra Nath ... Boston and Maine Railroad Company
- Boston and Sandwich Glass Company ... botanical garden
- Botanical Garden ... Botta, Paul-Émile
- Bottengruber, Ignaz ... Boudewijn I
- Boudewijn met de Baard ... Boumbé II River
- Boumediene v. Bush ... Bourdaloue, Louis
- Bourdeille, Pierre de, Abbé et Seigneur de Brantôme ... Bouterwek, Friedrich
- Bouteville, François-Henri de Montmorency ... Bowenia spectabilis
- bower ... box gate
- box girder ... Boyce and Hart
- Boyce, Joseph ... Bozeman, John M.
- Bozen ... Brachystegia
- Brachystegia laurentii ... Bradoriida
- Bradshaw style ... Brahma-sūtras
- brahmacarin ... brake horsepower
- brake mean effective pressure ... Branded
- Brandeis brief ... Braque, Georges
- Bras d’Or Lake ... Braudel, Fernand Paul
- Braueich, Arcangela Felice Assunta Wertmüller von Elgg Spañol von ... Brazilian elodea
- Brazilian emerald ... breaker point
- Breakers, The ... Brederode, Hendrik van
- Bredesen, Phil ... Brennero, Passo del
- Brennerpass ... Breucklyn
- Breuer, Josef ... BRIC
- Brice, Fanny ... Bridges of Madison County, The
- Bridges’s degu ... Brigantium
- Brigantium ... Brimmer, Andrew
- Brimmer, Andrew Fulton, Jr. ... Bristol
- Bristol ... British East Africa Association
- British East Africa Company ... British Theatre Association
- British thermal unit ... Broadcast News
- Broadcast.com ... Broek, J. H. van den
- Broek, Johannes Hendrik van den ... Bromus rubens
- Bromus secalinus ... brook lamprey
- brook moss ... broom
- broom ... Broun, Heywood Campbell
- Brouncker, William, 2nd Viscount ... Brown’s hutia
- Brown’s Park ... Brown, Michael S.
- Brown, Michael Stuart ... Browning, Tod
- Brownlow, Kevin ... Bruegel II de Jongere, Pieter
- Bruegel, Jan, the Elder ... Brunel College of Advanced Technology
- Brunel Deschamps, Éliette ... brush-footed butterfly
- brush-furred rat ... Bryce Echenique, Alfredo
- Bryce Echenique, Alfredo Marcelo ... BTK Killer
- BTO ... Buchalter, Lepke
- Buchalter, Louis ... Buckhannon
- Buckhurst of Buckhurst, Baron ... buddha field
- Buddha of Infinite Light ... Buenos Aires Affair, The
- Buenos Aires tetra ... bugbane
- Bügd Nayramdah Mongol Ard Uls ... Bukhoro
- Bukhtarma River ... bulgur wheat
- Bulgya, Aleksandr Aleksandrovich ... Bullets over Broadway
- Bullfighter and the Lady ... bunad
- Bunau-Varilla, Philippe-Jean ... Bunraku-za
- Bunrakuken IV ... Burāq
- Buraydah ... Burgess, Anthony
- Burgess, Ernest Watson ... Buried Giant, The
- buried ice ... Burmanniaceae
- Burmeister’s porpoise ... Burns
- Burns metre ... bursa of Fabricius
- Bursa, Süleyman of ... busbar cost
- Busbeck, Ogier Ghiselin de ... Bushnell, Candace
- Bushnell, David ... buster
- Buster Brown ... Butler, Guy
- Butler, Henry Montagu ... Butterfly’s Evil Spell, The
- Butterfly, The ... buying power
- Buying vs. leasing a car: Which route is best? ... Byelorussia
- Byelorussian ... Byzantium
- Byzas ... BZÖ
