a band ... A380 |
aa ... Aba Tibetan Autonomous Prefecture |
abaca ... Abbagnano, Nicola |
Abbahu ... Abd al-Ghani |
Abd al-Hafid ... Abdulaziz |
Abdulhak Hamid ... Aberbach, Julian |
Abercrombie & Fitch Co. ... Abia |
Abiathar ... ABO blood group system |
Abo Elementary School ... abrasion |
abrasive ... absolution |
absolutism ... Abu al-Hasan |
Abu al-Hasan 'Ali ... Abu Nasr al-Malik ar-Rahim |
Abu Nasr Mansur ... Abukuma-sammyaku |
Abulafia, Abraham ben Samuel ... Academy of Venice, Galleries of the |
academy ratio ... acceleration stress |
accelerator ... Accord, Act of |
accordion ... acetate flagellate |
acetazolamide ... Achery, Jean-Luc d' |
Acheson process ... acid-base reaction |
acid-base titration ... Aconquija, Sierra del |
Acontius ... Acre, Plain of |
acriflavine ... Actaeon |
Actian Games ... activation foil |
active crowd ... acute cystitis |
acute disease ... Adalbert, Adam, Graf von Neipperg |
Adalbert, Saint ... Adams, Diana |
Adams, Don ... adaptive agent |
adaptive control ... additive |
additive colour film ... adenochrome |
adenoiditis ... Adiabene |
adiaphorism ... Adler, Friedrich |
Adler, Guido ... Adobe Acrobat |
Adobe Photoshop ... Adrets, Francois de Beaumont, baron des |
Adria ... advanced mobile phone system |
Advanced Photon Source ... Aechmea |
aecium ... Aeolian harp |
Aeolian mode ... Aeronautical Chart Service |
aeronautical public correspondence system ... Aethelwulf |
Aether ... Affleck, Thomas |
Affolle Anticline ... African black-bellied pangolin |
African butterfly fish ... African Party for the Independence of Cape Verde |
African People's Organization ... Afro-Asiatic languages |
Afro-Brazilian ... Agalliana ensigera |
Agalychnis calcarifer ... Agavaceae |
Agave ... Agerod |
Ageronia ... agitka |
agitprop ... Agonium |
Agop ... agricultural policy |
agricultural sciences, the ... Aguiyi-Ironsi, Johnson T. U. |
Agul language ... Ahklun Mountains |
Ahl al-Bayt ... Ahmed III |
Ahmed Pasa ... aid |
Aidan ... Ain el-Hanech |
Ain River ... air pocket |
air pollution ... Airborne Tactical Data System |
airbrush ... Aix-la-Chapelle, Congress of |
Aix-la-Chapelle, Treaty of ... Aka |
Aka ... Akesson, Birgit |
akh ... Akkadian literature |
Akkadian writing ... Akzo NV |
Al bu Falah ... Alalu |
Alam al-Halfa, Battle of ... Alaska paper birch |
Alaska Peninsula ... Albanian League |
Albanian literature ... Albert I |
Albert I of Livonia ... Albertini, Luigi |
Albertinum ... Albret, Jeanne d' |
Albright's syndrome ... Alchevsk |
Alchian, Armen A. ... Alcyone |
Aldabra giant tortoise ... ale |
ale gallon ... Alert |
Ales ... Alexander III |
Alexander III ... Alexandre, Paul |
Alexandreschate ... Alfama quarter |
Alfani, Gianni ... algebraic form |
algebraic function ... alguacile |
ALH84001 ... Alingar |
Alinsky, Saul ... alkalophile |
alkalosis ... All-African Trade Union Federation |
All-America team ... Allegheny chinquapin |
Allegheny College ... Allen, Paul G. |
Allen, Paula Gunn ... Alliance of the Reformed Churches Throughout the World Holding the Presbyterian Order |
Alliance Party ... allodium |
AllofMP3 ... Almagro, Diego de |
almanac ... Alnwick Castle |
Aloadae ... alpha hindrance factor |
alpha interferon ... alpine permafrost |
alpine salamander ... Alte Pinakothek |
Altenburg ... Altman, Sidney |
Altmann, Maria ... aluminum chloride |
aluminum chlorohydrate ... Alvin, Dave |
Alvintzy, Josef, Baron ... Amalfi |
amalgam ... Amaranthaceae |
Amaranthus ... Amazon Cooperation Treaty |
Amazon Cooperation Treaty Organization ... Ambler, Eric |
Ambleve, battle of ... Amdang language |
Ame no minaka-nushi no Kami ... American and Foreign Anti-Slavery Society |
American Anthropological Association ... American Civil War |
American cocker spaniel ... American Foundation for AIDS Research |
American Foundation for the Blind ... American marten |
American Mathematical Society ... American Samoa, flag of |
American Scene painting ... American witch hazel |
American Woman Suffrage Association ... Ameya |
Amfilokhia ... aminoacyl-AMP complex |
aminoacyl-transfer RNA ... ammonium chloride |
ammonium cyanate ... Amor group |
amora ... Amphilinidea |
Amphinomida ... Amr ibn al-'As, Mosque of |
Amr ibn Kulthum ... Amur |
Amur maple ... anabatic wind |
anabolic steroid ... Anaimalai Hills |
Anaitides ... Anambra |
anamnesis ... Anastasia, Albert |
Anastasis ... Anbar, battle of |
Anbay ... Ancus Marcius |
Ancylacea ... Anderson University |
Anderson, Abram ... Anderssen, Adolf |
Andersson, Bibi ... Andre Le Chapelain |
Andre, Carl ... Andrews, James J. |
Andrews, LaVerne ... Androscoggin |
Androscoggin River ... Anga |
anga ... angelology |
Angelopolis Tigers ... angle of refraction |
angle of repose ... Anglo-Irish Treaty |
Anglo-Japanese Alliance ... Anguier, Francois |
Anguier, Michel ... Anie Peak |
Anielewicz, Mordecai ... Anini |
anion ... Anna |
Anna Comnena ... Anniceris |
Annie Oakley ... anomalous dispersion |
anomalous monism ... Anschutz-Kaempfe, H. |
Anscombe, G E M ... Antananarivo |
Antandroy ... anterior nasal diphtheria |
anterior nuclear group ... Anthony, Carmelo |
Anthony, Earl Roderick ... Anti-Fascist People's Freedom League |
Anti-Federalists ... anticodon |
anticoincidence counting ... Antilles Current |
Antilochus ... Antiochus IV Epiphanes |
Antiochus Of Ascalon ... antiserum |
antiship missile ... Antoninus Pius |
Antoninus, Saint ... anubhava |
Anubis ... aoidos |
Aoki, Rocky ... Apapa Quay |
apapane ... aphidlion |
aphin ... apocalypticism |
apocarpous gynoecium ... Apollonius Dyscolus |
Apollonius of Perga ... apothecary |
apotheosis ... Appert, Nicolas |
appetitive behaviour ... applied psychology |
applied research ... aptitude test |
aptronym ... Aquifoliaceae |
Aquifoliales ... arabesque |
Arabia ... Arafura Shelf |
Aragani ... Arao |
Arapaho ... arbitrage |
arbitration ... Arcado-Cypriot |
Arcan, Nelly ... Archelaus |
Archelon ... architecture |
Architecture and Civil Engineering ... Arctic tundra |
Arctic Zone ... area method |
area mining ... Arevaci |
Arevalo (Bermejo), Juan Jose ... argentite |
Arges ... Argus Corp. |
argus fish ... aridity |
Ariege ... Aristides of Miletus |
Aristides Quintilianus ... Arjuna |
Arjunayanas ... Arlington House |
Arlington National Cemetery ... Armenia |
Armenia ... armour-piercing projectile |
armour-piercing, fin-stabilized discarding-sabot ... Arnaud, Georges |
Arnaud, Henri ... Arnold, Matthew |
Arnold, Samuel ... Arpad |
Arpad dynasty ... Arriaga, Camilo |
Arriaga, Juan Crisostomo ... Arsenius The Great |
arsenopyrite ... Art Puppet Theatre |
art quilt ... arterial tree |
arteriole ... Article IV Consultation |
Articles of Schwabach ... Artot, Desiree |
Arts and Crafts Movement ... Arusha Declaration |
Arusi ... Asad |
Asad Allah Khan ... Asbury Park |
Asbury, Francis ... Ascothoracica |
ascribed status ... Ashby, Michael |
Ashby-de-la-Zouch ... Ashmore and Cartier Islands |
Ashmore, Harry Scott ... Asia-Pacific Broadcasting Union |
Asia-Pacific Economic Cooperation ... Ask Jeeves |
Askaniya-Nova Nature Reserve ... Aspen |
aspen ... Assad, Hafiz al- |
Assad, Muhammad al- ... assessor |
asset ... associationism |
Associations, Law of ... Asterix |
Asterogyne martiana ... Astoria Bridge |
Astoria Canyon ... Asuncion, La |
Asuncion, National University of ... Atahuallpa |
Atajanova, Gurbanbibi ... Aterian industry |
Ateshkadeh-ye Sorkh Kowtal ... Athens, Academy of |
Athens, University of ... Atkinson, Theodore Frederick |
Atkinson, Vanessa ... Atlantic walrus |
Atlantic, Battle of the ... atomic emission spectroscopy |
Atomic Energy Act ... Atrax robustus |
Atrebates ... Attalus III Philometor Euergetes |
Attalus, Priscus ... attorney, power of |
Attorney-General's Department ... Aubusson carpet |
Aubusson, Pierre d' ... Auerbach plexus |
Auerbach, Berthold ... Augusta, Treaty of |
augustale ... aura |
Aura ... Ausfragemethode |
Ausgleich ... Australian Aboriginal traditional religion |
Australian Aborigine ... Australian National University |
Australian Natives Association ... Austro-French Piedmontese War |
Austro-German Alliance ... Autodromo |
autofocus ... automatic writing |
automation ... autotroph |
autotypist ... Avalon Peninsula |
Avalon Zone ... average velocity |
Averescu, Alexandru ... Avions Marcel Dassault-Breguet Aviation |
avirulence ... Awan dynasty |
Awangarda Krakowska ... axillary nerve |
axillary vein ... Ayacucho Basin |
Ayacucho, Battle of ... Ayr |
Ayr ... Azcona del Hoyo, Jose Simon |
Azcona, Rafael ... Azotobacter |
Azov ... |
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