- b ... baaleshem
- Baalim ... Babes on Broadway
- Babes, Victor ... Baby Yar
- Baby Yar ... Bacheller, Irving
- Bacheller, Irving Addison ... Back to Black
- Back to Blood ... bacteria
- bacterial blight of rice ... Badagri
- Badagry ... Badr ad-Dīn Luʾluʾ
- Badr al-Jamālī ... bagel
- Bagerhat ... Bahari, Maziar
- Bahariya Oasis ... Bai River
- Bai Xingjian ... Bailey, Peter Harry
- Bailey, Philip James ... bajada
- Bajada de Santa Fe ... Baker, Michael
- Baker, Mount ... Baku
- Baku rug ... Balantidium coli
- Balanus nubilus ... Baldwin I
- Baldwin I ... Bali
- Bali ... Ballack, Michael
- ballad ... Ballinger, Richard A.
- Ballinger, Richard Achilles ... Balqash, Lake
- Balqash-Alaköl basin ... Baltra Island
- Bałtyckie, Morze ... Bamum
- Bamum language ... Band Wagon, The
- Band’s Visit, The ... Bandish Bandits
- Bandit of Sherwood Forest, The ... Bangni
- Bangor ... Bank War
- Bank, Aaron ... Banquet in Blitva, The
- Banquet of Officers of the Civic Guard of St. George at Haarlem ... Bapedi
- Baphomet ... Barack Obama and the Jim Crow Media
- Barack Obama Presidential Center ... Barbara Rebell
- Barbara, St. ... barbet
- Barbetomagus ... barcode scanner
- Barcoo River ... Bargello Museum
- bargello work ... Barker, Frances Dana
- Barker, Fred ... Barnabok
- Barnaby Rudge ... baroclinic field of mass
- baroclinic instability ... barracudina
- Barragán, Luis ... barrier separation
- Barrier Treaties ... Barrymore, Georgiana
- Barrymore, John ... Bartlett, Sir Frederic Charles
- Bartman incident ... Bas Plateaus
- Bas Poitou ... Baseball Writers Association of America
- baseball, history of ... basic rock
- basic set ... Basingstoke
- Basingstoke and Deane ... Bass, Karen
- Bass, Randy ... bastide
- Bastien and Bastienne ... batch processing
- batch refining ... Báthory, Zsigmond
- bathos ... Batrachostomus
- Batrachostomus auritus ... Battle of Russia
- Battle of Tetuan ... Baudouin le Lépreux
- Baudouin Porphyrogénète ... Bavel
- Bāvend dynasty ... Bayer, Gottlieb Siegfried
- Bayer, Hanne Karin Blarke ... Bazaar of Bad Dreams, The
- Bazaine, Achille ... Be Alive
- Be Here ... beam and girder framing
- beam blank casting ... beardworm
- Beare Peninsula ... Beaty, Henry Warren
- Beaty, Shirley MacLean ... Beautiful City
- Beautiful Creatures ... Because of Winn-Dixie
- Because the Internet ... Beckmann rearrangement
- Beckmann, Max ... Bedmar, Alonso de la Cueva, marqués de
- Bednarik, Charles Phillip ... beekeeping
- Beelzebub ... Beginner’s All-purpose Symbolic Instruction Code
- Beginner’s Goodbye, The ... Behold the Murmuring Sea
- Behr, Anna ... Beirut–Rafic Hariri International Airport
- beisa ... Belanov, Igor
- Belar, Herbert ... Belgrade, Treaty of
- Belgrano ... Bell, Alexander Graham
- Bell, Andrew ... Belle Harbor
- Belle Hélène, La ... Bells, The
- Bells, The ... Belshazzar
- Belso Somogy ... Ben Barek, Larbi
- Ben Barka, Mehdi ... Bendel
- Bender ... Benediktbeuern manuscript
- Benediktbeuren ... Bengtsson, Frans Gunnar
- Benguela ... Bennett Trophy
- Bennett’s chinchilla rat ... bent sandwich compound
- Bent, Charles ... benzopyrrole
- benzopyrylium ... Berdymukhammedov, Gurbanguly
- Berdymukhammedov, Serdar ... Bergen, Edgar
- Bergen, University of ... Berk-Yaruq
- Berke ... Berling, Ernst Heinrich
- Berling, Zygmunt ... Bernardone, Francesco di Pietro di
- Bernari, Carlo ... Beroerten, Raad van
- Beroringen ... Berto, Giuseppe
- Bertocci, Peter ... Bessarion, John
- Bessastadhir ... Bet Yosef
- beta ... Bethany
- Bethany ... Better Macedonia, Coalition for a
- Better Place ... Beveridge of Tuggal, William Henry Beveridge, 1st Baron
- Beveridge Report ... Béziers, Massacre at
- bezique ... Bharata
- Bharata ... Bhītargaon
- Bhiwani ... Bian Shui
- Bian Zhilin ... Biblioteca Nazionale Centrale
- Biblioteca Nazionale Centrale Vittorio Emanuele II ... Bidayuh
- Bidaʿ, Al- ... Big 8 Conference
- big air ... Big Jim
- Big Joel ... big-eared opossum
- big-eared possum ... Bikelas, Demetrios
- biker gang ... bill broker
- Bill Clinton ... Bily Clocks Museum
- bima ... Bingham, George Charles
- Bingham, Hiram ... Biodiversity Treaty
- bioecology ... bioluminescence
- biomanipulation ... Biphyllidae
- bipinnaria larva ... bird-watching
- Bird-Ways ... Birom
- Biron ... Bise
- bisexuality ... bisque
- Bisrampur ... bitternut hickory
- bitterroot ... Blaberus craniifer
- Blaby ... black crested gibbon
- black cricket ... black humour
- Black Hundreds ... Black Panther
- black panther ... black soil
- Black Sorcerers ... black-and-white tegu
- black-and-yellow mangrove snake ... Blackburn, Mary Marsha
- Blackburn, Mount ... blackwater fever
- Blackwater Lightship, The ... Blair, Henry William
- Blair, Hugh ... Bland, Bobby
- Bland, Edith ... Blastomyces dermatitidis
- blastomycosis ... Blendung, Die
- Blenheim ... Blindness
- blindness ... block caving
- block chain ... blood
- Blood & Family ... Bloodline
- Bloodlines: Odyssey of a Native Daughter ... blow extrusion
- blow fly ... blue grouse
- Blue Guitar, The ... Blue Slide Park
- blue spirea ... Blueprint for a New Japan
- blueprinting ... Blyth, John Sidney
- Blythe, Ethel ... BOAS
- Boas, Franz ... Boccanegra Family
- Boccanegra, Ambrogio ... Bodmer, Karl
- Bodmer, Martin ... Boeing 247-D
- Boeing 367-80 ... bogatyr
- Bogatyrs ... Bohémond le Bambe
- Bohémond le Baube ... Boisrobert, François Le Métel, seigneur de
- Boisserée, Sulpiz ... boleo
- Boléro ... Bolland, Jean
- Bollandist ... Boluarte Zegarra, Dina Ercilia
- Boluarte, Dina ... Bombyx mori
- Bomhard, Allan ... Bond market basics: Here’s what to know
- Bond of Association ... Bonellia
- bonemeal ... Bonnet, Georges-Étienne
- bonnethead shark ... book louse
- book lung ... Book of the Icelanders, The
- Book of the Khazar ... Boonville
- Boorde, Andrew ... Borat: Cultural Learnings of America Make Benefit Glorious Nation of Kazakhstan
- borate ... boreal cup lichen
- boreal forest ... Borisov
- Borisov, Boiko ... borough
- Borough, The ... Bosch Gaviño, Juan
- Bosch GmbH ... Bossanova
- Bosse, Abraham ... Boswell, Helvetia
- Boswell, James ... Botrychium virginianum
- botrycoccene ... Bouchard, Lucien
- Bouchardat, Georges ... boulevard play
- Boulevard Ring ... bourbon whiskey
- Bourbon, Antoine de, duc de Vendôme ... Bourse
- bourse ... Bowditch Island
- Bowditch, Henry Pickering ... Bowman v. Chicago and North Western Railway Company
- Bowman’s capsule ... Boy Next Door, The
- Boy on a Dolphin ... Boyne, John
- Boyne, River ... brachiocephalic artery
- brachiocephalic trunk artery ... Bradford, William
- Bradford, William ... Bragg’s rule
- Bragg, Billy ... Brain Mechanism and Intelligence
- brain rhythm ... branchiopod
- Branchiopoda ... Brangus
- Brangwen, Gudrun ... Bratan Mountain
- Bratby, John Randall ... Bravo, Alberto
- Bravo, Nicolás ... Bread and Wine
- bread crumb ... breaststroke
- Breath ... Brekke, Paal
- Brel, Jacques ... Bressanone
- Bresse ... Brewster, Sir David
- Brewster, William ... Bridegroom
- Bridegroom, The ... bridled murre
- Bridlington ... Bright, Sir Charles Tilston
- Bright, Timothy ... brinkmanship
- Brinnin, John Malcolm ... Britannica Electronic Index
- Britannica International Encyclopædia ... British Library Reference Division
- British Lions ... Brixham Cave
- Brixia ... Brocchinia hectioides
- Brocchinia reducta ... Broken Flowers
- Broken Glass ... Bronston, Samuel
- Bronte ... brookite
- Brookland ... Brossolette, Pierre
- Brostrom, Axel Ludvig ... Brown Brothers Harriman & Co.
- brown bullhead ... Brown, Claude
- Brown, Clifford ... Brown, Ruth Winifred
- Brown, Scott ... Brubaker
- Brubaker, Ed ... Brugmansia
- Brugmansia arborea ... Brunia stokoei
- Bruniaceae ... Brussels griffon
- Brussels Institute of Bibliography ... Bryidae
- Bryn Mawr College ... Bubalus depressicornis
- Bubalus mindorensis ... Buchanans, the
- Buchara ... Buckingham, Henry Stafford, 2nd Duke of
- Buckingham, Humphrey Stafford, 1st duke of ... Buddhavachana
- Buddhavamsa ... buffalo
- Buffalo ... Buginese
- Buginese language ... Bukovyna
- Bukowina ... bulk matter
- bulk modulus ... Bullinger, Heinrich
- Bullins, Ed ... Bund
- Bund der Landwirte ... bunt
- Bunter ... burbot
- Burchard ... Burggraf
- Burggräfin ... Buritanika Kokusai Daihyakka-jiten
- Burj al-ʿArab ... Burmese ferret badger
- Burmese flapshell turtle ... Burns, Bob
- Burns, Christy Turlington ... Burschenschaft
- Bursera ... Busanjin, Siege of
- busbar cost ... Bushmen
- bushmen’s carnival ... Bustānī, Salīm al-
- bustard ... Butler, David
- Butler, Edward ... butterfly flower
- butterfly milkweed ... Buxus vahlii
- Buy Nothing Day ... Bybrannyye mesta iz perepiski s druzyami
- Bybury to Beacon Street ... Bytown
- bytownite ... BZÖ
